Double Plus Chain & Sprockets

Roller Chain Division U.S. Tsubaki, Inc.

DOUBLE PLUS ® Chain

Unique Patented Design

Improved!

For Free Flow Conveying and Accumulating Applications INCREASE EFFICIENCY AND OUTPUT

REDUCE OPERATING COSTS

ACCELERATE YOUR OPERATION

DOUBLE PLUS ® Chain

Revolutionary Technology

Maximize your operation with DOUBLE PLUS Chain from U.S. Tsubaki. Now you can increase production and efficiency without increasing labor costs. If you’re running a conveying or accumulating line, DOUBLE PLUS from U.S. Tsubaki with its unique, patented design can mean real savings for your operation.

How DOUBLE PLUS ® Works

Cutaway view of DOUBLE PLUS ® roller

End view of DOUBLE PLUS ® system

conveyed object moving about 2.5 times FASTER than the speed of the chain. That means you get increased output without increasing the speed of your chain.

DOUBLE PLUS Chain uses free flow technology to revolutionize your operation. The secret is in the construction. DOUBLE PLUS consists of a series of rollers: a large center roller and two small outer rollers. Rollers can be made of engineered plastic for low-maintenance, low-noise operations or steel for heavy-duty appli- cations. Technology Leads to Real Savings Faster pallet speed can mean savings. You can use slower chain speeds and smaller motors, yet get the same — or faster — output. Chains last longer and you can reduce operating costs. DOUBLE PLUS lets you maintain or even increase production while lowering costs. Friction between the large roller and the small rollers allows them to turn in unison. The difference in roller diameters results in the

The large roller supports the pallet. The small rollers rotate on the guide rail and provide rolling fric- tion. They keep the chain moving even when pallets are accumulating. Smooth accumulation protects product on line.

DOUBLE PLUS ® rollers

A DOUBLE PLUS ® System

A System for Speed DOUBLE PLUS ® is a system of parts that come together to maximize efficiency at your operation. The system includes:

• Maintain or accelerate production without increasing labor or shifts. • Reduce operating costs. • Choose the right type from the wide selection available. • Enhance worker comfort and productivity with lower noise levels. • Protect your products and your people with the safe, enclosed DOUBLE PLUS system. • Get up and running quickly because DOUBLE PLUS is easy to install. DOUBLE PLUS ®

• Revolutionary DOUBLE PLUS Chain (see pages 4 and 6)

• Special 10-tooth sprockets — a unique geometry available for sizes 3/4” to 2” (see page 5). This unique geometry is also available for Engineering Class DOUBLE PLUS Chain in 6- or 8-tooth sprockets (see page 7) • Plastic return guides — help maintain low noise levels and ensure a smooth transition (see page 8) • Brackets — allow convenient installation of plastic return guides (see page 9) • Anodized aluminum guide rail with optional steel rail inserts (see page 10) • Pallet guide rails — protect your products by keeping them securely on the system (see page 11) Select the right base chain. The chain can be constructed from three different types of materials. Choose carbon steel for general purpose applications, stainless steel when corrosion resistance is required, or hard chrome plated when you want the strength of carbon steel with light corrosion resistance. For larger applications (over 840 lbs. of tension and 270 lbs. per roller capacity), U.S. Tsubaki

offers Engineering Class DOUBLE PLUS Chain.

U.S.TSUBAKI, INC.

Choose the right size. DOUBLE PLUS ® with plastic rollers is available in 3/4" pitch to 2" pitch. DOUBLE PLUS with steel rollers is available in 3/4" pitch to 7-7/8" pitch.

Choose the right rollers. Select the type of rollers that will work best for your operation.

Our A series rollers meet most standard applications. Bseries is made of high-friction plastic for quick startup, C series discharges electrostatic buildup, and D series offers quick startup and discharge of electrostatic buildup. Urethane rollers are available on a specialty basis to prevent scratching of sensitive products when conveying without pallets. Consult your U.S. Tsubaki Product Engineer for more details. Urethane rollers

SIZE OF ROLLER:

SERIES

SERIES:

SMALL

LARGE

BENEFITS:

Color:

Gray

Brown

Maximum Allowable Tension

Feature:

Standard

Color:

Off-White

Brown

Quick Start-up

Feature:

High friction plastic

Standard

Color:

Gray

Black

Volume Resistivity of 10 6 x cm

Feature:

Standard

Electroconductive Plastic

Color:

Off-White

Black

Quick Start-up AND Volume Resistivity of 10 6 x cm

Feature:

High friction plastic

Electroconductive Plastic

Special Option DOUBLE PLUS with snap covers is also available. Snap covers prevent small parts from falling into the line and jamming the conveyor.

DOUBLE PLUS ® with Snap Covers

Contact U.S. Tsubaki for additional information on selecting the right system for your operation.

Specifications

STANDARD

DOUBLE PLUS ® WITH SNAP COVERS

• These base chains are specialized for SNAPCOVERS. • The SNAP COVERS cannot be attached to the standard type of DOUBLE PLUS chain. • Offset links are not available for DOUBLE PLUS with SNAP COVERS.

DOUBLE PLUS ® CHAIN Upper dimensions-inches Lower dimensions-mm

Approx. Weight lbs./ft. (kg/m) Plastic Steel

W 1

W 2

L 1

L 2

Roller

Chain No.

R 1

C2030VR C2030VRP

0.75

0.469 0.720 0.315 0.157 0.060 0.060 0.354 0.141

0.474 0.522 (12.05) (13.25)

0.40 (0.6)

0.94 (1.4)

C2030VR-SC C2030VRP-SC C2040VR C2040VRP C2040VR-SC C2040VRP-SC C2050VR C2050VRP C2050VR-SC C2050VRP-SC C2060VR C2060VRP C2060VR-SC C2060VRP-SC C2080VRP C2080VRP-SC

(19.05)

(11.91)

(18.3)

(8.0)

(4.0)

(1.5)

(9.0)

(3.59)

1.00

0.625 0.969 0.406 0.224 0.080 0.060 0.472 0.156

0.622 0.669 (15.80) (17.00)

0.67 (1.0)

1.68 (2.5)

(25.40)

(15.88)

(24.6)

(10.0)

(5.7)

(2.0)

(1.5)

(12.0)

(3.97)

1.25

0.750 1.205 0.512 0.280 0.094 0.080 0.591 0.200

0.770 0.837 (19.55) (21.25)

0.94 (1.4)

2.49 (3.7)

(31.75)

(19.05)

(30.6)

(13.0)

(7.1)

(2.4)

(2.0)

(15.0)

(5.09)

1.50

0.875 1.441 0.610 0.335 0.125 0.125 0.677 0.234

0.964 1.039

1.34 (2.0)

3.76 (5.6)

(38.10)

(22.23)

(36.6)

(15.5)

(8.5)

(3.2)

(17.2)

(5.96)

(24.5)

(26.4)

2.00

1.125 1.890 0.787 0.591 0.156 0.156 0.906 0.312

1.409 1.496

2.62 (3.9)

— —

(50.80)

(28.58)

(48.0)

(20.0)

(15.0)

(4.0)

(23.0)

(7.94)

(35.8)

(38.0)

• Steel roller type (VR series) is available for 14˚F to 302˚F (-10˚C to +150˚C). • Plastic roller type (VRPseries) is available for 14˚F to 140˚F (-10˚C to +60˚C).

U.S.TSUBAKI, INC.

STANDARD

A unique geometry available for sizes 3/4" to 2" pitch.

Sprockets for DOUBLE PLUS ® CHAIN (For Double Pitch “VR,” “VRP,” “VR-SC,” & “VRP-SC”) Upper dimensions-inches Lower dimensions-mm

Number

Pitch

Outer

Tooth Stock Bore

Hub Dia. D h

Hub

Approx. Weight lbs. (kg)

Hub Type

Dia. D p

Dia. D o

Thickness

Dia.

Length

Sprocket No.

Teeth

C2030VRP-10T-SC

2.427

2.480

0.118 (3.0)

0.500 (12.7)

1.457

0.984

0.602 (15.3)

0.44 (0.2)

(61.65)

(63)

(37)

(25)

C2040VRP-10T-SC

3.236

3.346

0.157

0.630

2.047

1.575

0.803 (20.4)

1.76 (0.8)

(82.20)

(85)

(4.0)

(16)

(52)

(40)

C2050VRP-10T-SC

4.045

4.213 (107)

0.197

0.630

2.598

1.772

1.004 (25.5)

3.31 (1.5)

(102.75)

(5.0)

(16)

(66)

(45)

C2060VRP-10T-SC

4.854

5.039 (128)

0.236

0.748

3.189

1.969

1.201 (30.5)

5.52 (2.5)

(123.30)

(6.0)

(19)

(81)

(50)

C2080VRP-10T-SC

6.472

6.772 (172)

0.472 (12.0)

0.906

4.331 (110)

2.638

1.870 (47.5)

15.4 (7.0)

(164.39)

(23)

(67)

Specifications

ENGINEERING CLASS

Engineering Class DOUBLE PLUS ® CHAIN Upper dimensions-inches Lower dimensions-mm

Approx. Weight lbs./ft.

W 1

W 2

W T

D L 1 +L 2

L 1

L 2

G (kg/m)

Chain No.

R 1

RF03075VR 2.953

3.16

(75) 1.252 1.654 0.472 0.335 1.181 0.126 0.866 0.315 2.028 0.965 1.063 1.453 0.571 (4.7)

RF03100VR 3.937 (31.8)

(42.0)

(12)

(8.5)

(30)

(3.2)

(22.0)

(8.00) (51.5)

(24.5)

(27.0)

(36.9)

(14.5)

2.69 (4.0) 5.38

(100)

RF05100VR 3.937

(100) 1.575 2.087 0.630 0.433 1.535 0.177 1.260 0.446 2.776 1.319 1.457 1.831 0.728 (8.0)

RF05150VR 5.906 (40.0)

(53.0)

(16)

(11.0)

(39)

(4.5)

(32.0)

(11.32) (70.5)

(33.5)

(37.0)

(46.5)

(18.5)

4.03

(150) (6.0) RF10150VR 5.906 2.000 2.638 0.787 0.551 2.126 0.248 1.500 0.571 3.661 1.772 1.890 2.319 0.984 8.06 (150) (50.8) (67.0) (20) (14.0) (54) (6.3) (38.1) (14.50) (93.0) (45.0) (48.0) (58.9) (25.0) (12) RF6025VR 6.000 12.1 (152.4) 2.252 2.972 0.866 0.630 2.441 0.311 1.752 0.626 4.272 2.087 2.185 2.610 1.102 (18) RF12200VR 7.874 (57.2) (75.5) (22) (16.0) (62) (7.9) (44.5) (15.90) (108.5) (53.0) (55.5) (66.3) (28.0) 10.1 (200) (15) RF17200VR 7.874 2.559 3.386 0.984 0.709 2.717 0.374 2.000 0.752 5.000 2.382 2.618 2.972 1.220 13.4 (200) (65.0) (86.0) (25) (18.0) (69) (9.5) (50.8) (19.10) (127.0) (60.5) (66.5) (75.5) (31.0) (20)

•Engineering Class Chain has steel roller, and is suitable for use from -4˚F to +392˚F (-20˚C to +200˚C). •Engineering Class Chain does not have guide rail. •Conveying speed of Engineering Class DOUBLEPLUS Chain is approximately 2.3 x chain speed.

U.S.TSUBAKI, INC.

ENGINEERING CLASS

A unique geometry available in 6- or 8-tooth sprockets.

Sprockets for Engineering Class DOUBLE PLUS ® CHAIN

Upper dimensions-inches Lower dimensions-mm

Number

Pitch

Outer

Tooth

Stock Bore Max.

Hub Dia.

Hub

Approx.

Dia.

Thickness Thickness

Dia.

Bore

Length Weight

Sprocket No.

Teeth

D p

D o

T 1

D h

lbs. (kg)

RF03075VR-6T

5.906

6.22

1.57 (40) 1.77 (45) 1.77 (45) 1.97 (50) 2.36 (60) 2.76 (70) 2.76 (70) 2.95 (75) 3.15 (80) 3.35 (85) 3.74 (95) 3.94 (100)

2.56 (65) 2.76 (70) 2.76 (70) 3.15 (80) 3.74 (95) 4.13 (105)

2.17 (55) 2.36 (60) 2.36 (60) 2.76 (70) 3.15 (80) 3.54 (90) 3.54 (90) 3.94 (100)

6.6

(150.0)

(158)

0.20

0.24

1.024 (26.0)

0.79 (20)

(3.0)

RF03075VR-8T

7.717

8.23

(5)

(6)

9.9

(196.0)

(209)

(4.5)

RF03100VR-6T

7.874

8.11

9.9

(200.0) 10.287 (261.3)

(206) 10.71 (272)

0.20

0.24

1.024 (26.0)

0.79 (20)

(4.5) 16.5 (7.5) 16.5 (7.5) 28.7 (13) 33.1 (15) 52.9 (24) 44.1 (20) 70.6 (32) 64.0 (29) 92.7 (42) 94.9 (43)

RF03100VR-8T

(5)

(6)

RF05100VR-6T

7.874

8.07

(200.0) 10.287 (261.3) 11.811 (300.0) 15.433 (392.0) 11.811 (300.0) 15.433 (392.0) 12.000 (304.8) 15.677 (398.2) 15.748 (400.0) 20.575 (522.6) 15.748 (400.0) 20.575 (522.6)

(205) 10.75 (273) 11.97 (304) 15.83 (402) 12.17 (309) 16.06 (408) 12.99 (330) 17.01 (432) 17.09 (434) 21.93 (557) 17.28 (439) 22.13 (562)

0.31

0.35

1.398 (35.5)

0.98 (25)

RF05100VR-8T

(8)

(9)

RF05150VR-6T

0.98 (25) 1.18 (30) 1.18 (30) 1.38 (35)

4.13

0.31

0.35

1.398 (35.5)

(105) 4.53 (115)

RF05150VR-8T

(8)

(9)

RF10150VR-6T

4.92

4.13

0.43 (11)

0.47 (12)

1.890 (48.0)

(125)

(105) 4.53 (115)

RF10150VR-8T

5.31

(135)

RF6025VR-6T

0.55 (14)

0.63 (16)

2.205 (56.0)

1.38 (35)

5.71

4.92

RF6025VR-8T

(145)

(125)

RF12200VR-6T

1.38 (35) 1.57 (40) 1.57 (40) 1.77 (45)

3.94

5.71

4.92

0.55 (14)

0.63 (16)

2.205 (56.0)

(100) 4.33 (110) 4.33 (110) 4.72 (120)

(145)

(125)

RF12200VR-8T

6.10

5.31

147.8

(155)

(135)

(67)

RF17200VR-6T

6.10

5.31

103.7

0.59 (15)

0.63 (16)

2.441 (62.0)

(155)

(135)

(47)

RF17200VR-8T

6.89

5.91

167.7

(175)

(150)

(76)

Specifications

PLASTIC RETURN GUIDES AND BRACKETS

Help maintain low noise levels and ensure a smooth transition.

PLASTIC RETURN GUIDES

PLASTIC RETURN GUIDES FOR DOUBLE PLUS ® WITH SNAP COVERS

Plastic Return Guide Dimensional Data Upper dimensions-inches Lower dimensions-mm

Guide No.

C2030VRP-RG

1.34 (34) 1.97 (50)

0.35

0.87 (22) 1.18 (30)

0.24 (6.0) 0.31 (8.0)

1.22 (31) 1.18 (30)

— — — — — —

2.24 (57) 2.24 (57) 2.24 (57) 2.24 (57) 2.24 (57) 2.24 (57) 3.03 (77) 3.03 (77)

—

2.13

2.36 (60) 2.36 (60) 2.36 (60) 3.94 (100) 2.36 (60) 3.94 (100) 3.15 (80) 6.50 (165)

(9)

— (54.0)

C2040VRP-RG

0.47 (12)

—

2.05

— (52.0)

C2050VRP-RG

—

1.97

2.20

0.59 (15)

1.38 (35)

0.39

1.26 (32)

— (50.0)

C2050VRP-RG-SC (56)

(10.0)

3.56

1.69 (43)

3.54

(90.3)

(90.0)

C2060VRP-RG

— —

—

1.87

2.36

0.71 (18)

1.54 (39)

0.49

1.26 (32)

— (47.5)

C2060VRP-RG-SC (60)

(12.5)

3.56

1.69 (43)

3.44

(90.3)

(87.5)

C2080VRP-RG

— —

—

2.56

2.76

0.91 (23)

1.77 (45)

0.59

1.61 (41)

— (65.0)

C2080VRP-RG-SC (70)

(15.0)

5.50

3.46 (88)

5.91

(139.6)

(150.0)

Note: Specify SC type for use with Snap Cover DOUBLE PLUS. For chain sizes C2030VRP-SC and C2040VRP-SC, use standard plastic return guide.

U.S.TSUBAKI, INC.

BRACKET

Allow convenient installation of plastic return guides.

Bracket Dimensional Data Upper dimensions-inches Lower dimensions-mm

Mounting Bolt

O 2

Size

Chain No.

O 1

C2030VRP-GB

1.34 (34)

0.236

0.87 (22) 1.18 (30) 1.38 (35) 1.54 (39) 1.77 (45)

0.807 (20.5) 1.752 (44.5) 2.185 (55.5) 2.854 (72.5) 2.756 (70.0)

0.26 (6.7) 0.30 (7.7)

0.71 (18) 0.79 (20) 0.94 (24) 0.94 (24) 0.94 (24)

0.98 (25) 1.18 (30) 1.38 (35) 1.38 (35) 1.38 (35)

0.256

0.12 M6 X 20 l

(6.0)

(6.5)

(3)

C2040VRP-GB 2.36

0.591 (15.0) 0.807 (20.5) 1.083 (27.5) 1.083 (27.5)

0.335

0.12

(60)

(8.5)

(3)

C2050VRP-GB 2.99

0.40

0.413 (10.5) 0.413 (10.5) 0.413 (10.5)

0.335

0.16

(76)

(10.2)

(8.5)

(4)

M8 X 20 l

C2060VRP-GB 3.70

0.42

0.335

0.16

(94)

(10.7)

(8.5)

(4)

C2080VRP-GB 3.94

0.59

0.335

0.16

(100)

(15.0)

(8.5)

(4)

Specifications C2040VRP-R4L C2050VRP-R4L C2030VRP-R3L C2060VRP-R4L

C2050VRP-R3H

C2060VRP-R4K

C2040VRP-R3LS C2050VRP-R3LS C2060VRP-R3LS

C2050VRP-R3HS

C2080VRP-R3LS

C2030VRP-R3LS

Aluminum Guide Rail Dimensional Data Standard and Steel Rail Inserts Upper dimensions-inches

Standard Mass Length lbs./ft.

Lower dimensions-mm

H 2

J K L M N O ft. (m) (kg/m)

Guide Rail No.

A B C D E F G H 1

C2030VRP-R3L

0.94 1.38 2.36 0.807 1.494 — 0.55 1.268 0.350 0.366 0.390 0.413 0.256 0.197 0.256 0.413 0.197 9.84 (1.4)

C2030VRP-R3LS

(35) (60) (20.5) (37.95) — (14) (32.2) (8.9) (9.3) (9.9) (10.5) (6.5) (5.0) (6.5) (10.5) (5.0) (3)

1.48 (2.2)

C2040VRP-R4L

1.75 2.48 2.60 1.752 1.388 0.728 0.51 1.374 0.449 0.472 0.531 0.531 0.335 0.295 0.256 0.413 0.197 13.12 (2.6)

C2040VRP-R4LS

(63) (66) (44.5) (35.25) (18.5) (13) (34.9) (11.4) (12.0) (13.5) (13.5) (8.5) (7.5) (6.5) (10.5) (5.0) (4)

2.49 (3.7)

C2050VRP-R4L

2.42

3.07 3.15 2.185 1.644

1.693 (43.0)

13.12 (3.6)

C2050VRP-R4LS

(78)

(80) (55.5) (41.75)

(4)

3.36 (5.0) 3.36

0.906 0.59 (23.0) (15)

0.56 0.59 0.65 0.689 0.413 0.35 0.335 0.531 0.295

C2050VRP-R3H

(14.3) (15) (16.5) (17.5) (10.5)

(9)

(8.5) (13.5)

(7.5)

3.15 5.51 2.26 4.01 (80) (140) (57.5) (101.75)

4.06

9.84 (5.0)

C2050VRP-R3HS

(103)

(3)

4.23 (6.3) 2.82 (4.2)

C2060VRP-R4L

2.018

C2060VRP-R4LS

3.74 3.58 2.854 (51.25) 0.925 0.59 1.988 0.677 0.709 0.768 0.689 0.413 0.354 0.335 0.531 0.295 13.12 3.96 (95) (91) (72.5) (23.5) (15) (50.5) (17.2) (18.0) (19.5) (17.5) (10.5) (9.0) (8.5) (13.5) (7.5) (4) (5.9)

C2060VRP-R4K

1.821

2.69 (4.0)

(46.25)

C2080VRP-R3LS

3.94 4.92 2.76 3.15 0.47 0.94 2.68 0.91 0.91 0.98 0.689 0.413 0.35 0.335 0.531 0.295 9.84 6.65 (100) (125) (70) (80) (12) (24) (68) (23) (23) (25) (17.5) (10.5) (9) (8.5) (13.5) (7.5) (3) (9.9)

Note: The steel rail is fixed to the frame with bolts.

U.S.TSUBAKI, INC.

C2030VRP-PGR

C2040VRP-PGR

C2050VRP-PGR

C2080VRP-PGR

C2060VRP-PGR

Protect your products by keeping them securely on the system.

Pallet Guide Rail Dimensional Data Upper dimensions-inches Lower dimensions-mm

Standard Mass Length lbs/ft ft. (m) (kg/m)

A B C D E

F G H

I JK LMNOPQRST U

C2030VRP-PGR 0.60 2.89 0.49 2.51 1.02 0.94 1.50 0.28 0.70 0.33 0.22 0.47 0.22 0.33 0.08 0.20 0.37 0.18 0.24 — 0.20 9.84 0.6 (15.3) (73.5) (12.5) (63.8) (26) (24) (38) (7) (17.9) (8.5) (5.5) (12) (5.5) (8.5) (2) (5) (9.5) (4.5) (6) — (5) (3) (0.9) C2040VRP-PGR 0.68 3.27 0.57 2.88 0.71 0.87 2.12 0.28 0.71 0.41 0.26 0.47 0.26 0.41 0.08 0.22 0.39 0.26 0.22 0.08 0.22 13.12 1.0 (17.3) (83) (14.5) (73.1) (18) (22) (53.75) (7) (18.15) (10.5) (6.5) (12) (6.5) (10.5) (2) (5.5) (10) (6.5) (5.5) (2) (5.5) (4) (1.5) C2050VRP-PGR 0.88 3.94 0.77 3.50 0.91 0.98 2.55 0.35 0.81 0.53 0.33 0.59 0.33 0.53 0.12 0.30 0.53 0.45 0.20 0.10 0.30 13.12 1.5 (22.3) (100) (19.5) (88.8) (23) (25) (64.8) (9) (20.7) (13.5) (8.5) (15) (8.5) (13.5) (3) (7.5) (13.5) (11.5) (5) (2.5) (7.5) (4) (2.2) C2060VRP-PGR 0.88 4.57 0.77 4.13 1.26 1.12 2.94 0.35 0.81 0.53 0.33 0.59 0.33 0.53 0.14 0.30 0.55 0.45 0.20 0.39 0.28 13.12 1.7 (22.3) (116) (19.5) (104.9) (32) (28.5) (74.75) (9) (20.6) (13.5) (8.5) (15) (8.5) (13.5) (3.5) (7.5) (14) (11.5) (5) (10) (7) (4) (2.5) C2080VRP-PGR 0.88 6.10 0.77 5.67 2.46 2.46 3.15 0.35 0.81 0.53 0.33 0.59 0.33 0.53 0.16 0.30 0.57 0.45 0.16 0.12 0.30 9.84 2.4 (22.3) (155) (19.5) (144) (62.5) (62.5) (80) (9) (20.5) (13.5) (8.5) (15) (8.5) (13.5) (4) (7.5) (14.5) (11.5) (4) (3) (7.5) (3) (3.5)

Selection Guidelines

I. Confirm operating conditions for DOUBLE PLUS ® conveyor.

II. Select initial chain size. The proper selection of DOUBLE PLUS Chain considers the vertical force exerted on the rollers, as well as the tension on the chain due to friction that results. Make initial chain selection based on maximum allowable chain tension. (See Table 1a or 1b.) T T = W T x f x K T T : Total chain(s) tension (kgf or lbs.) W T : Total weight of conveyed object except chain (kg or lbs.) f: Coefficient of friction f=f 2 +f 3 (See Table 2.) K: Chain speed coefficient (See Table 3.)

The following information is needed to select the appropriate chain: a. Material, weight, dimension, and quantity of the conveyed object (including pallet)

b. Conveyor speed

c. Conveyor length (the length for accumulating and transferring section respectively)

d. Lubrication requirements and environment

Note: If two strands of chain are used, multiply T T by 0.6 to find tension per strand.

U.S.TSUBAKI, INC.

Table 1b. Maximum Allowable Chain Tension

Table 1a. Maximum Allowable Chain Tension Standard and DOUBLE PLUS ® Chain with Snap Covers Units-lbs. (kgf) Chain No. Roller Type

Engineering Class DOUBLE PLUS ® Chain

Units-lbs. (kgf)

Maximum Allowable

Chain No.

Chain Tension

C2030 C2040 C2050 C2060 C2080

RF03075VR RF03100VR

930

(420)

Regular Plastic

120 (56)

200 (90)

310

460

1,190 (540)

(140)

(210)

RF05100VR RF05150VR

2,200

(1,000)

High-Friction Plastic

100 (45)

155 (70)

230

595

(28)

(105)

(270)

RF10150VR

3,530 (1,600)

Stainless Steel

100 (45)

155 (70)

230

595

(28)

(105)

(270)

RF6025VR RF12200VR

5,950

(2,700)

Steel

220

350

550

840

— —

(100)

(160)

(250)

(380)

RF17200VR

7,720 (3,500)

Note: These factors are for your reference only.

Table 2. Coefficient of Friction for DOUBLE PLUS ® Chains

Table 3. Chain Speed Coefficient Chain Speed Chain Speed ft./min. (m/min) Coefficient (K)

TYPE OF DOUBLE PLUS CHAIN

Plastic Roller

Steel Roller

Engineering Class

Coefficient of Friction

Standard High-Friction Lubricated Nonlubricated Lubricated Nonlubricated

Coefficient of friction f 1 between chain and rail

0~50 (0~15)

1.0

0.08

0.05

when conveying

50~100 (15~30)

1.2

Coefficient of friction f 2 between chain and conveyed 0.10 object when accumulating

Note: These factors are for your reference only. For speeds greater than those indicated, consult U.S. Tsubaki.

0.15

0.10

0.15

0.10

0.15

Coefficient of friction f 3 between chain and rail when accumulating

0.20

0.25

0.10

0.25

0.15

0.20

Note: These factors are for your reference only. We suggest oiling steel roller type.

Selection Guidelines

IV. Confirm total chain tension (T T ). In general, a DOUBLE PLUS ® system uses two strands of chain. When calculating the total chain tension (T T ), be sure to include the weight of each strand. The chain tension (T T ) is calculated using the following formula:

III. Confirm the maximum allowable roller load. The roller load due to conveyed objects (see Fig. 1) should not exceed the values shown in Table 4a or 4b (Table depends on prod- uct used.) Figure 1–Conveyed object weight per roller

Figure 2–Distribution of product line

T T = (W 1 + M) L 1 x f 1 + W 2 x L 2 x f 2 + (W 2 + M) L 2 x f 3 + 1.1 M (L 1 +L 2 ) f 1 0.6 x T T x K ≤ Maximum allowable chain tension (Table 1a or 1b) T T : Total chain tension (lbs. or kgf) T s : Chain Tension/Strand (lbs. or kgf) W 1 : Weight of conveyed objects in conveying portion (lbs./ft. or kg/m) W 2 : Weight of conveyed objects in accumulating portion (lbs./ft. or kg/m) M: Weight of chain and slat, etc. (lbs./ft. or kg/m) L 1 : Length of conveying portion (ft. or m) L 2 : Length of accumulating portion (ft. or m) f 1 : Coefficient of friction between chain and rail when conveying f 2 : Coefficient of friction between chain and conveyed object when accumulating f 3 : Coefficient of friction between chain and rail when accumulating HP: Required horsepower kW: Required kilowatts V: Chain speed (ft./min. or m/min.) : Transmission efficiency of drive unit Note: When there are two strands in parallel, the maximum chain tension should be T s = 0.6 x T T.

Table 4a. Maximum Allowable Roller Load*

Standard and DOUBLE PLUS ® Chain with Snap Covers

Units-lbs./ft. (kgf/m)

Plastic Roller

Steel Roller

Aluminum Guide Rail

Aluminum Frame with Steel Rail

Chain No.

C2030

27 (40)

54 (80)

108 (160)

C2040

40 (60)

81 (120)

161 (240)

C2050

54 (80)

108 (160)

215 (320)

C2060

67 (100)

134 (200)

269 (400)

C2080

— —

202 (300)

— —

Note: These factors are for your reference only.

*This is the load for two strands of DOUBLE PLUS ® Chain

Table 4b. Maximum Allowable Roller Load

Engineering Class DOUBLE PLUS ® Chain

Units-lbs./ft. (kgf/m)

Maximum Allowable

Chain No.

Roller Load

RF03075VR RF03100VR

290

(130)

RF05100VR RF05150VR

530

(240)

V. Calculate required power. HP = T T V x 1.1 or

RF10150VR

770 (350)

kW = T T V x 1.1

33,000

6,120

RF6025VR RF12200VR

1,100 (500)

RF17200VR

1,370 (620)

Note: These factors are for your reference only.

U.S.TSUBAKI, INC.

Selection Procedure Example.

i) Confirm operating conditions for DOUBLE PLUS ® conveyor. Conveyor length: 30 ft. (9.14 m) Dimensions of conveyed object: 1.5 ft. (0.46 m) square Weight of conveyed object: 53 lbs. (24 kg)/piece 53 lbs./piece ÷ 1.5 ft. = 35.3 lbs./ft. (52.6 kg/m) Conveyed product speed: 30 ft./min (9.14 m/min). Chain speed: 12 ft./min. (3.66 m/min.) Full conveyor accumulating Quantity of conveyed object: 20 pieces Dry, in-plant use, normal operating temps (up to 77°F) ii) Select initial chain size. Using the calculation method in Section II. on page 12: T T = W T x (f 2 + f 3 ) x K T T = (35.3 lbs./ft. x 30 ft.) x (0.1 + 0.2) x 1.0 = 318 lbs. (144 kgf) T s = 318 lbs. x 0.6 = 190.8 lbs (86.5 kgf) Note: Presume two strands of chain, each loaded by 0.6 of the total. Based on these calculations, C2040VRP-A chain is the preliminary choice, but this selection must be confirmed. Note: C2040VRP-A weight/ft. = 0.67 lbs./ft. (1.0 kg/m) per strand [1.34 lbs./ft. (2.0 kg/m) for two strands]. iii) Confirm the maximum allowable roller load. By consulting Table 4a or 4b, you find that for C2040VRP-A, the maximum allowable roller load is 40 lbs./ft. (60 kg/m) for alu- minum rail. In this example, the weight of the conveyed object is 35.3 lbs./ft. (52.6 kg/m). Therefore, C2040VRP-A can cover roller load.

iv) Confirm total chain tension. Using the calculation method of total chain tension (T T ): T T = (0 + 1.34) x 0 x 0.08 + 35.3 x 30 x 0.10 + (35.3 + 1.34) x 30 x 0.20 + 1.1 x 1.34 x (0 + 30) x 0.08 T T = 329 lbs. (149 kgf) T S = T T x 0.6 = 197 lbs. (89 kgf) per strand Now determine chain size. Multiply the chain tension (T S ) by the chain speed coefficient (K) listed in Table 3, confirm with the following formula: T S x K ≤ Maximum allowable chain tension (Table 1a or 1b). 197 x 1.0 ≤ 200 (C2040VRP regular plastic) In this example, we would choose C2040VRP-A Chain.

v) Calculate required power. *Presume gearmotor efficiency ( ) = 0.8

329 lbs. x 12 ft./min. x 1.1 = 0.17 = 1/4 HP motor 33,000 x 0.8

HP =

149 kgf x 3.66 m/min. x 1.1 = .13 kW = 0.2 kW motor 6,120 x 0.8

kW =

• This calculation sample is for your reference only.

Design Guidelines I. Dimensions for both ends of the conveyor. A typical arrangement of DOUBLE PLUS ® components is illustrated in Fig. 3. The bracket is used to mount the plastic return guide to the aluminum guide rail, allowing the chain to flow smoothly between the sprocket and guide rail. See Table 5a for dimensions.

II. Screws, bolts, height of conveyor.

The values for L shown in Table 5b and Fig. 4 vary because of the plastic bumper wall thickness tolerance. Connecting the aluminum guide rail Connect the aluminum guide rails by aligning the V groove shown by arrow A in Fig. 4. Installing the pallet guide rail Drill holes using the V groove as a guide, shown by arrow B in Fig. 4, and install the pallet guide rail using socket head cap screws from Table 5b.

Figure 3–Typical arrangement of DOUBLE PLUS ® components

Figure 4–Location of screws, bolts

Table 5a. Conveyor End Dimensions Units-in. (mm)

Chain No.

L 1

L 2

(Driver side) (Driven side)

Table 5b. Screws, Bolts, Height of Conveyor Units-in. (mm)

C2030VRP-R3L

0.839

1.57 (40)

8.27

3.15 0.98

C2030VRP-R3LS (21.3)

(210)

(80)

(25)

C2040VRP-R4L

0.579

1.97 (50)

11.81 (300)

3.94 0.98

Rail No.

C2040VRP-R4LS (14.7)

(100)

(25)

C2030VRP-R3L M6 x 10 l M6 M5 M6 M5 2.42

0.57

C2030VRP-R3LS

(61.5)

(14.5)

C2050VRP-R4L 0.634 C2050VRP-R4LS (16.1) C2050VRP-R3H 3.000 C2050VRP-R3HS (76.2)

2.36 (60)

13.39 (340)

4.72 1.18

C2040VRP-R4L M6 x 12 l M6 M6 M8 M6 2.68

1.12

(120)

(30)

C2040VRP-R4LS

(68)

(28.5)

C2050VRP-R4L M8 x 20 l M8 M8 M10 M8 3.25

1.42 (36) 1.46 (37)

C2050VRP-R4LS

(82.5)

C2060VRP-R4K

0.587

2.76 (70)

16.93 (430)

5.12 1.57

C2050VRP-R3H M8 x 20 l M8 M8 M10 M8 5.61

C2060VRP-R4LS (14.9)

(130)

(40)

C2050VRP-R3HS

(142.5)

C2060VRP-R4K C2060VRP-R4L M8 x 20 l M8 M8 M10 M8 3.74

C2080VRP-R3LS 0.945

3.94

21.65 (550)

7.87 2.36

1.75

(24)

(100)

(200)

(60)

C2060VRP-R4LS

(95)

(44.5)

C2080VRP-R3LS M8 x 25 l M8 M8 M10 M8 5.12

1.85 (47)

(130)

U.S.TSUBAKI, INC.

IV. Finishing the ends of the conveying side. Put a chamfer on the ends of the upper rail that the chain’s small rollers travel on (Fig. 6).

III. Nominal spacing of conveyor supports. Proper operation of DOUBLE PLUS ® Chain is maintained by control- ling the amount of deflection of the aluminum guide rail. This deflection is determined from the weight of the conveyed goods and the second moment of area, shown in Table 5c. To control deflec- tion, supports should be spaced as shown in Fig. 5, in accordance with the following equation:

Figure 6–Location of Chamfer

Determining support spacing

1/4

[384 x E x I x x 12]

l (in.) =

5 x 0.6 x W

1/4

[384 x E x I x x 10 7 ]

l (mm) =

5 x 0.6 x W

l = spacing support (inches or mm) E = Young’s Modulus = 9.956 x 10 6 lbs./in. (7.0 x 10 3 kg/mm 2 ) I = Second moment of area = in. 4 (cm 4 ) (See Table 5c.) = Deflection = 0.079 in. (2mm) W = Total conveyed weight = lbs./ft. (kg/m) Note: The total conveyed weight (W) is not always distributed evenly between the two conveyor strands. This is taken into account with the factor 0.6.

It is possible to prevent the chain’s large roller from dipping at the chamfered portion by installing a support for the large roller on the ends of the rail on the driven side.

Figure 5–Nominal spacing of conveyor supports ( l )

V. Aluminum frame with steel rail. (1) Two basic constructions are used when building guide rail with aluminum frame and steel rail:

For C2030VRP-R3LS, a steel rail (no. 3) is arranged in the vertical position and lock screws (no. 4) are secured into the frame (no. 1) from both sides (see Fig. 7a). See Table 5d for dimensions and hardware.

Table 5c. Second Moment of Area Units- in. 4 (cm 4 ) Rail No.

Figure 7a–Cross section of C2030VRP-R3LS

Second moment of area ( I ) in. 4 (cm 4 )

C2030VRP-R3L C2040VRP-R4L C2050VRP-R4L C2050VRP-R3H C2060VRP-R4L C2060VRP-R4K C2030VRP-R3LS C2040VRP-R4LS C2050VRP-R4LS C2050VRP-R3HS C2060VRP-R4LS C2080VRP-R3LS

0.41148 (17.127) 0.96545 (40.185) 2.01905 (84.039) 9.80904 (408.283) 3.24668 (135.137) 2.60692 (108.508) 0.42815 (17.821) 1.06460 (44.312) 2.29735 (95.623) 10.62133 (442.093) 4.12657 (171.761) 8.66648 (360.726)

Aluminum Guide Rail

Aluminum Frame with Steel Rail

Figure 7b–Cross section of C2040VRP-C2080VRPframe with steel rail Lock screws (no. 4) are secured through the inner rail (no. 2), which anchors the steel rail (no. 3) to the frame (no. 1) (see Fig. 7b). See Table 5d for dimensions and hardware. Design Guidelines

Table 5d. Aluminum Frame with Steel Rail Units-in. (mm)

Steel rail (Part No. 3)

Installation screws for steel rail (Part No. 4).

Installation screws for steel rail (Part No. 5).

Dimensions

(Plate thickness x width)

“A” dimension

philips pan head machine screws

philips flat head machine screws

Rail No.

in. (mm)

C2030VRP-R3LS

.12 x .51 (3 x 13)

.187 (4.75)

M3 x 7 l

—

C2040VRP-R4LS

.12 x .51 (3 x 13)

.315 (8.0)

M4 x 5 l

M4 x 6 l

C2050VRP-R4LS

.12 x .51 (3 x 13)

.315 (8.0)

M4 x 6 l

C2050VRP-R3HS

.12 x .51 (3 x 13)

.315 (8.0)

M4 x 6 l

C2060VRP-R4LS

.12 x .51 (3 x 13)

.315 (8.0)

M4 x 6 l

C2080VRP-R3LS

.24 x .63 (6 x 16)

.413 (10.5)

M5 x 8 l

M6 x 10 l

(2) Assembly drawing When joining rail sections to form a longer conveyor, please refer to Fig. 8. Figure 8–Assembly Drawing

1) The steel rail is cut at an angle of 45° at the center portion of the main rail. 2) The installation spacing for C2030VRP-R3LS steel rail is the same as that for C2050VRP-R3HS and C2080VRP-R3LS.

Table 5e. Steel Rail Assembly Dimensions Units-in. (mm) Rail No. A B C

D E

C2040VRP-R4LS C2050VRP-R4LS 157.5 C2060VRP-R4LS (4000) C2050VRP-R3LS 118.1 C2080VRP-R3LS (3000)

1.18 19.09

(30)

(485)

19.09 2.36 1.18

0.59 18.90 (485)

(60)

(30)

(15)

(480)

U.S.TSUBAKI, INC.

VII. Take-up. The amount of take-up l = (L x 0.02) + marginal length (0.02 = Allowable chain wear elongation 2%) Allow for some sagging (up to 10% of the span) in the chain on the bottom of the driver sprocket. Adjust the take-up so that the slack does not exceed the values in Table 5f. (see Fig. 10.) In addition, the total arc of contact between the chain and sprocket should be more than 130˚. If take-up cannot be set up as shown in Fig. 11 due to space limitations, refer to Fig. 12.

(3) Important points when handling steel guide rail • When cutting the guide rail with steel rail 1)Cut anywhere other than the central portion or screwed portions of the rail. 2)Remove burrs, etc., that occur on the cut surface. 3)Insert lock screws into the steel rail and inner rail along with the inner rail and main rail at 0.6 - 1.2 in.

(15 - 30 mm) from the cut end. 4)Machine all parts individually. 5)Completely remove all burrs before reassembly.

VI. Transferring objects between conveyors. To convey pallets in a stable condition at the transfer portion of the conveyor, install a roller between the two conveyors or the shafts of the sprockets (see Fig. 9). Be sure that the distance l from the ends of the rail to the roller that supports the pallets is less than 1/2.5 times the pallet length in the conveying direction. After connecting the rail, put small chamfers on the mating faces of the steel rail where steps occur (in both vertical and lateral direc- tions). These prevent the chain rollers from getting caught at these areas. Note: Use screws according to Table 5d when reassembling the conveyor. • When connecting the rail

Table 5f. Chain Slack for DOUBLE PLUS ® Chain size Normal slack in. (mm)

Maximum slack in. (mm)

C2030

.10 (25)

2.95 (75)

C2040

1.38 (35)

4.13 (105)

C2050

1.57 (40)

4.72 (120)

C2060

1.97 (50)

5.90 (150)

C2080

2.56 (65)

7.48 (190)

Figure 10–Slack tolerance

Figure 9–Install a roller as shown for a straight line transfer

Figure 11–Take-up arrangement

Figure 12–Take-up arrangement for limited space

Selection Guidelines Design Guidelines

X. For DOUBLE PLUS ® Chain with Snap Covers. When using the arrangement as shown in Fig. 13, be aware that the sprocket cannot engage the chain from the top surface of the snap covers. When bending the chain toward the snap cover side, do not bend beyond the R dimension of the plastic return guide (see page 8). Snap covers and installation are shown in Figs. 14 and 15.

Figure 13–Take-up arrangement for limited space for DOUBLE PLUS ® with Snap Covers

IX. Maximum conveyor length. DOUBLE PLUS ® Chain operates well on conveyors with lengths not exceeding 50 ft. (15 m). When conveyor distances are greater than 50 ft. (15 m), make several shorter conveyors in line. If you require one continuous system longer than 50 ft. (15 m), consult U.S. Tsubaki. VIII. Sprocket and shaft. Driver sprockets should be keyed, with both left and right sprockets matched in phase. Take-up sprockets should be keyless, with separate shafts on left and right. Other sprockets should not be keyed.

Figure 14–Snap covers for outer and inner links

Figure 15–Proper installation of snap covers

Maintenance Guidelines

DOUBLE PLUS with plastic rollers is designed to operate in a dry environment without contamination from water or oil. Otherwise, the start-up function of the chain will be minimized or eliminated, making conveying difficult. Transfer product onto DOUBLE PLUS chain smoothly, and avoid dropping heavy product onto the chain. DOUBLE PLUS with plastic rollers is designed to operate without lubrication. • If the chain begins to make noise in the sprocket area because of a lack of oil, lubrication may be applied carefully, at the space between the link plates (see Fig. 16). If oil gets on plastic rollers, clean them immediately.

• Steel roller DOUBLE PLUS requires lubrication. Use SAE 10 ~ 20. (For Engineering Class DOUBLE PLUS chain use SAE 30 ~ 40).

Figure 16–Lubricating DOUBLE PLUS ® chain

U.S.TSUBAKI, INC.

Apply DOUBLE PLUS ® Technology • Accumulating conveyors • Assembly lines • Cooling and drying operations

• Inspection lines • And much more!

DOUBLE PLUS ® Chain and Sprockets

Conveying and Accumulating

PLUS: Increased Output PLUS:Reduced Operating Costs

U.S. TSUBAKI, INC. HEADQUARTERS 301 E. MARQUARDT DRIVE WHEELING, IL 60090 TEL:(800) 323-7790 TEL:(847) 459-9500 FAX:(847) 459-9515 WEB SITE: www.ustsubaki.com

Service Centers

Manufacturing Facilities

Atlanta, GA U.S. Tsubaki, Inc. 675 Wesleyan Drive, S.W. Atlanta, GA 30336 Tel: (800) 443-8212 Tel: (404) 349-7973 Fax: (404) 349-7975 Charlotte, NC B.C. & H. Company 11010 Monroe Road Matthews, NC 28105 Tel: (704) 847-9131 Fax: (704) 847-3651 Chicago, IL U.S. Tsubaki, Inc. 301 E. Marquardt Drive Wheeling, IL 60090 Tel: (800) 323-7790 Tel: (847) 459-9500 Fax: (847) 459-9515

Dallas, TX Robco, Inc.

Philadelphia, PA U.S. Tsubaki, Inc. 2321 N. Penn Road Hatfield, PA 19440 Tel: (800) 258-3847 Tel: (215) 997-9170 Fax: (215) 997-9179 Portland, OR U.S. Tsubaki, Inc. 14157 N.E. Airport Way Portland, OR 97230 Tel: (800) 352-4315 Fax: (626) 913-5042

Bennington, VT U.S. Tsubaki, Inc. 119 Bowen Road Bennington, VT 05201 Tel: (800) 451-4441 Tel: (802) 447-7561 Fax: (802) 447-0755 Holyoke, MA U.S. Tsubaki, Inc. 821 Main Street Holyoke, MA 01040 Tel: (800) 628-9037 Tel: (413) 536-1576 Fax: (413) 534-8239 Sandusky, OH U.S. Tsubaki, Inc. 1010 Edgewater Drive Sandusky, OH 44870 Tel: (800) 537-6140 Tel: (419) 626-4560 Fax: (419) 626-5194

Tsubaki of Canada Limited. 1630 Drew Road, Mississauga Ontario, Canada L5S 1J6 Tel: (800) 263-7088 Tel: (905) 676-0400 Fax: (905) 676-0904

1523 Crescent Drive Carrollton, TX 75006 Tel: (972) 242-3300 Fax: (972) 245-2328 Denver, CO U.S. Tsubaki, Inc. 5100-K Fox Street Denver, CO 80216 Tel: (800) 352-4315 Fax: (626) 913-5042

Los Angeles, CA U.S. Tsubaki, Inc. 18031 Cortney Court City of Industry, CA 91748 Tel: (800) 352-4315 Tel: (626) 913-1344 Fax: (626) 913-5042

Distributed by:

NOTE: IN ACCORDANCE WITH THE POLICY OF U.S. TSUBAKI, INC., TO CONSISTENTLY IMPROVE ITS PRODUCTS, THE SPECIFICATIONS IN THIS BROCHURE ARE SUBJECT TO CHANGE WITHOUT NOTICE. FOR CURRENT TERMS AND CONDITIONS OF SALE, SEE OUR CURRENT PRICE LIST.

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