Diamond Coating (SUMIDIA) Drills DAL / DDL Type
Aluminum Alloy
Composite CFRP
PCD
From General to High Precision Drilling of Aluminum Alloys
● High precision DAL type is able to produce holes of IT Class of 7 to 8. ● General DDL type is able to produce holes of IT class 11 to 12, mainly for pre-tap hole drilling.
J
This product is a made-to-order item.
DAL Type
*Refer to N74 for the tolerance of m5, h8 Dimensions ( mm )
Grade
SUMIDIA
High-speed/Light General-purpose Roughing
N
Process
Fig 1
Flute Length LCF
Overall Length OAL
PL
Dia. (Shank Dia.) DC(DCON)
Tip
Cat. No.
Fig
PL
DAL 0500H to 0600H DAL 0601H to 0700H DAL 0701H to 0800H DAL 0801H to 0900H DAL 0901H to 1000H DAL 1001H to 1100H
ø5 ≤ DC ≤ ø6
31.6
81.6 1.6
1
LCF
ø6 < DC ≤ ø7
36.9
91.9 1.9
1
OAL
ø7 < DC ≤ ø8
37.2
92.2 2.2
1
ø8 < DC ≤ ø9
42.5 102.5 2.5
1
ø9 < DC ≤ ø10
42.8 102.8 2.8
1
ø10 < DC ≤ ø11
53.1 113.1 3.1
1
DAL 1101H to 1200H 1 Ordering numbers should be handled according to this example: ø6.05mm drill → DAL0605H. ø11 < DC ≤ ø12 53.4 113.4 3.4
This product is a made-to-order item.
DDL Type
*Refer to N74 for the tolerance of h8 Dimensions ( mm )
Grade
SUMIDIA
High-speed/Light General-purpose Roughing
N
Process
Fig 1
Flute Length LCF
Overall Length OAL
PL
Dia. (Shank Dia.) DC(DCON)
Tip
Cat. No.
Fig
PL
DDL 050V to 060V DDL 061V to 070V DDL 071V to 080V DDL 081V to 090V DDL 091V to 100V DDL 101V to 110V
ø5 ≤ DC ≤ ø6
31.5
81.0 1.0
1
LCF
ø6 < DC ≤ ø7
36.2
91.2 1.2
1
OAL
ø7 < DC ≤ ø8
36.4
91.4 1.4
1
ø8 < DC ≤ ø9
41.6
101.6 1.6
1
ø9 < DC ≤ ø10
41.7
101.7 1.7
1
ø10 < DC ≤ ø11
51.9
111.9 1.9
1
DDL 111V to 120V 1 Ordering numbers should be handled according to this example: ø10.5mm drill → DDL105V. ø11 < DC ≤ ø12 52.1 112.1 2.1
Important Notes ● When using DAL type for high precision machining, select a high rigidity machine and high precision holder. ● Supply coolant generously at the entrance of the hole.
Recommended Cutting Conditions Dia. DC (mm)
( v c : Cutting Speed (m/min), f : Feed Rate (mm/rev))
DAL Type DDL Type Depth of Cut
Oil
v c
80 - 100 - 150 150 - 200 - 250
ø8.0
f
0.05 - 0.1 - 0.15 0.1 - 0.15 - 0.25
L/D=Below 3
Emulsion Type
v c
80 - 100 - 150 150 - 200 - 250
ø12.0
f
0.08 - 0.13 - 0.2 0.15 - 0.2 - 0.3
Min. - Optimum - Max.
J84
Made with FlippingBook Ebook Creator