INTERNAL LATCH LOCK Benefits and Selection Table DME’s Internal Latch Lock Allows Pre - cision Control of Mold Plate Latching
DME’s unique internally-mounted latch lock mechanism adapts to a number of mold base sizes and plate thicknesses. It is available in four sizes to accommodate most standard DME stripper plate mold bases. Two travel ranges and two center puller pin lengths are available for each of the three latch lock sizes. Once installed, DME’s Internal Latch Locks control the sequence of one parting line opening after the first parting line has traveled a predetermined distance. After installation there are no adjustments that can be accidentally changed. The Internal Latch Locks are most commonly used on DME AX-Series stripper plate mold bases but can be used on other DME stripper plate mold bases as well. • Four diameter sizes to choose from – 28mm, 34mm, 45mm and 60mm – depending on the size of the mold and the application • Two travel ranges and two center puller pin lengths to choose from for each of the four sizes • Hardened steel components for longer life • Latching mechanism has built-in travel limitation • When latch is released, latching cams hold released stripper plate in fully traveled position • Easy set-up of timing for latching mechanism • Internal installation avoids interferences with water line connectors and externally mounted components
U.S. Patent No. 5,494,435
DME’s Internal Latch Lock allows control of the mold plate opening sequence on mold bases with stripper plates. It enables one plate or group of plates to be latched together while the first parting line opening occurs. Then, after a predetermined amount of travel, the latch lock releases the latched plate or group of plates for the remaining parting line or parting lines to open.
INTERNAL LATCH LOCK SELECTION CHART
“T” TRAVEL RANGE
MAXIMUM RECOMMENDED LOAD VALUES (PER ASS’Y.)
CENTER PULLER PIN LENGTH OPTIONS
BASIC LATCH SIZE
INTERNAL LATCH LOCK ASSEMBLY ITEM NUMBER
RECOMMENDED MAXIMUM STANDARD DME MOLD BASE WIDTH
MINIMUM MAXIMUM mm in mm in
mm
in
STATIC
DYNAMIC
DKL2811
140
5.512
5
.197 30 1.181
DKL2812
250
9.843
28mm DIA (Small)
10 kN (2,248 lbf)
1kN (220 lbs)
11 -7 ⁄
8 in
DKL2821
140
5.512
30 1.181 55 2.165
DKL2822
250
9.843
DKL3411
160
6.299
6
.236 41 1.614
DKL3412
280
11.024
34mm DIA (Medium)
20 kN (4,500 lbf)
2kN (440 lbs)
16- 1 ⁄
2 in
DKL3421
160
6.299
41 1.614 76 2.992
DKL3422
280
11.024
DKL4511
200
7.874
12
.472 58 2.283
DKL4512
310
12.205
45mm DIA (Large)
30 kN (6,740 lbf)
3kN (838 lbs)
23- 3 ⁄
4 in
DKL4521
200
7.874
58 2.283 104 4.094
DKL4522
310
12.205
270
10.630
DKL6011
15
.590 80 3.149
DKL6012
370
14.567
60mm DIA (Extra)
19- 3 ⁄
40 kN (8,992 lbf)
5.2kN (1,146 lbs)
4 in for 2 units 2 for 4 units
35- 1 ⁄
DKL6021
270
10.630
80 3.149 130 5.118
DKL6022
370
14.567
143
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