New stacking
(Cobalt Hyth SKH 40)

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Excellent accuracy in stainless steel

●Surface roughness 6S or more with H7 accuracy is obtained

●Easy pilot hole processing

Characteristic

Characteristics of stacking reamer cutting mechanism

With the corner cutting edge and the boring part blade, after finishing the finish to the appropriate finish, the finishing part blade is cut to obtain high surface roughness and high precision dimensions. The boring part blade of the stacking reamer cuts the cutting resistance as a biting angle (40 °) and cuts irrespective of the size of Reamershi by our unique FIX effect. We will make Chatter small and finish it with high precision at the rake angle and the finish part of the strong left twist which took off the lesser reamashiro.

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■Cutting oil

Water-soluble cutting oil is excellent in dimensional accuracy and surface roughness by minimizing the expansion amount. Insoluble cutting oil has high lubricity, so it reduces variations in the hole system and improves reamer life. Particularly when extreme pressure oil containing chlorine and also extreme pressure additives of the sulfur type is used, dimensional accuracy, surface roughness, reamer life is improved.

■Durability

Use cobalt (Co) as a reamer material. Furthermore, Hv 1150 - 1200 high hardness layer by ion nitrogen treatment has about 2/100 mm, so it is particularly effective for alloy steel, stainless steel hardness and so on.

■Cylindricality, amount of expansion

Stacking reamer's original cutting structure and FIX effect of the boring part will control reamed walking phenomenon to guarantee high precision.

Cutting condition reference

Work material

Reamer diameter

General Copper SS.SC etc.
Cutting speed
m/min
Feed
mm/rev
Reamer fee
mm
6

15〜8

0.3〜0.1

0.2〜0.4

12

15〜8

0.3〜0.1

0.2〜0.5

16

15〜8

0.3〜0.1

0.2〜0.5

20

12〜8

0.3〜0.1

0.3〜0.6

25

12〜8

0.4〜0.2

0.3〜0.8

30

12〜7

0.4〜0.2

0.3〜0.8

40

12〜7

0.4〜0.2

0.4〜1

50

15〜8

0.4〜0.2

0.4〜1

Hard-to-cut material SKD.SUS etc.
Cutting speed
m/min
Feed
mm/rev
Reamer fee
mm

8〜5

0.2〜0.1

0.2〜0.4

8〜5

0.2〜0.1

0.2〜0.4

8〜5

0.2〜0.1

0.3〜0.5

7〜4

0.3〜0.1

0.3〜0.5

7〜4

0.3〜0.1

0.3〜0.6

7〜4

0.3〜0.1

0.3〜0.6

7〜4

0.3〜0.1

0.3〜0.6

7〜4

0.3〜0.1

0.3〜0.6

Nonferrous metal Aℓ.Cu alloy
Cutting speed
m/min
Feed
mm/rev
Reamer fee
mm

30〜10

0.2〜0.1

0.2〜0.4

30〜10

0.3〜0.1

0.2〜0.5

30〜10

0.3〜0.2

0.3〜0.6

20〜10

0.3〜0.2

0.3〜0.8

20〜10

0.4〜0.2

0.3〜0.8

15〜10

0.4〜0.2

0.3〜0.8

15〜10

0.4〜0.2

0.4〜1

15〜10

0.4〜0.2

0.4〜1

Enlargement measurement

Machine name used:
Mitsui Seiki M/C VS3A(BT40)
Cutting:
SUS304(Sheet thickness 30mm)
Use holder:
BIG BT40 NBS20-90
Cutting oil:
Emulsion
External supply 6 coolant nozzles used
Tool used:
I )Stacking reamer φ10-S10
II)Company A reamer φ10-S10
Cutting conditions:
V=5m/min N=160rpm
F=24mm/min S=0.15mm

拡大代測定表

standard

New stacking
(Cobalt Hyth SKH 40) MT axis specification

ニュースタッキング

[5 mm to 25 mm - 0.1 mm jump standard item], [5 mm to 50 mm - 0.5 mm jump standard item]

OD tolerance Blade length shank
Lower length
full length shank Number of blades
(Boring / cutting edge)
5.0 +0.009
+0.004
30 54.5 120 MT1 4(2+2)
6.0 30 62.5 128 MT1 4(2+2)
7.0 +0.012
+0.006
35 69.5 135 MT1 4(2+2)
8.0 40 79.5 145 MT1 4(2+2)
9.0 40 94.5 160 MT1 4(2+2)
10.0 48 104.5 170 MT1 6(3+3)
11.0 +0.015
+0.007
51 109.5 175 MT1 6(3+3)
12.0 54 119.5 185 MT1 6(3+3)
13.0 54 119.5 185 MT1 6(3+3)
14.0 57 124.5 190 MT1 6(3+3)
15.0 +0.015
+0.007
60 130 210 MT2 6(3+3)
16.0 60 130 210 MT2 6(3+3)
17.0 64 140 220 MT1 6(3+3)
18.0 68 140 220 MT2 6(3+3)
19.0 +0.017
+0.008
68 140 220 MT2 6(3+3)
20.0 68 145 225 MT2 6(3+3)
21.0 70 150 230 MT2 6(3+3)
22.0 70 150 230 MT2 6(3+3)
23.0 70 160 240 MT2 6(3+3)
24.0 80 171 270 MT3 8(4+4)
25.0 80 171 270 MT3 8(4+4)
26.0 80 181 280 MT3 8(4+4)
27.0 80 181 280 MT3 8(4+4)
28.0 80 181 280 MT3 8(4+4)
29.0 80 181 280 MT3 8(4+4)
30.0 85 191 290 MT3 8(4+4)
31.0 +0.020
+0.009
85 191 290 MT3 8(4+4)
32.0 90 201 300 MT3 8(4+4)
33.0 90 201 325 MT4 8(4+4)
34.0 90 201 325 MT4 8(4+4)
35.0 90 206 330 MT4 10(5+5)
36.0 90 206 330 MT4 10(5+5)
37.0 95 206 330 MT4 10(5+5)
OD tolerance Blade length shank
Lower length
full length shank Number of blades
(Boring / cutting edge)
38.0 +0.020
+0.009
95 206 330 MT4 10(5+5)
39.0 95 206 330 MT4 10(5+5)
40.0 95 206 330 MT4 10(5+5)
41.0 95 206 330 MT4 10(5+5)
42.0 95 216 340 MT4 10(5+5)
43.0 95 216 340 MT4 10(5+5)
44.0 95 216 340 MT4 10(5+5)
45.0 95 216 340 MT4 10(5+5)
46.0 95 216 340 MT4 10(5+5)
47.0 95 216 340 MT4 10(5+5)
48.0 100 226 350 MT4 10(5+5)
49.0 100 226 350 MT4 10(5+5)
50.0 +0.024
+0.011
105 239 385 MT5 12(6+6)
51.0 105 239 385 MT5 12(6+6)
52.0 105 239 385 MT5 12(6+6)
53.0 105 239 385 MT5 12(6+6)
54.0 105 239 385 MT5 12(6+6)
55.0 105 239 385 MT5 12(6+6)
56.0 105 239 385 MT5 12(6+6)
57.0 105 239 385 MT5 12(6+6)
58.0 105 239 385 MT5 12(6+6)
59.0 105 239 385 MT5 12(6+6)
60.0 105 239 385 MT5 12(6+6)
61.0 105 239 385 MT5 14(6+8)
62.0 105 239 385 MT5 14(6+8)
63.0 115 249 405 MT5 14(6+8)
64.0 115 249 405 MT5 14(6+8)
65.0 115 249 405 MT5 14(6+8)
66.0 115 249 405 MT5 14(6+8)
67.0 115 249 405 MT5 14(6+8)
68.0 115 249 405 MT5 14(6+8)
69.0 115 249 405 MT5 14(6+8)
70.0 115 249 405 MT5 14(6+8)

New stacking
(Cobalt High SKH 40) S-axis specification

ニュースタッキング

[3 mm to 14 mm - 0.05 mm jump standard item], [3 mm to 32 mm - 0.1 mm jump standard item], [3 mm to 50 mm - 0.5 mm jump standard item]

OD tolerance Blade length Shank diameter Shank length full length Number of blades
(Boring / cutting edge)
3.0 +0.009
+0.004
25 4.0 25 70 4(2+2)
3.5 25 4.0 25 70 4(2+2)
4.0 30 5.0 25 75 4(2+2)
4.5 30 5.0 25 75 4(2+2)
5.0 30 6.0 30 85 4(2+2)
6.0 30 6.0 30 90 4(2+2)
7.0 +0.012
+0.006
35 8.0 35 100 4(2+2)
8.0 40 8.0 40 120 4(2+2)
9.0 40 10.0 40 130 4(2+2)
10.0 48 10.0 45 140 6(3+3)
11.0 +0.015
+0.007
48 10.0 45 150 6(3+3)
12.0 54 12.0 45 155 6(3+3)
13.0 54 12.0 50 160 6(3+3)
14.0 57 12.0 50 170 6(3+3)
15.0 60 12.0 105 180 6(3+3)
16.0 60 16.0 105 180 6(3+3)
17.0 65 16.0 110 190 6(3+3)
18.0 65 16.0 110 190 6(3+3)
19.0 70 16.0 115 200 6(3+3)
20.0 70 16.0 115 200 6(3+3)
21.0 70 20.0 135 220 6(3+3)
22.0 75 20.0 130 220 6(3+3)
23.0 75 20.0 140 230 6(3+3)
24.0 75 20.0 140 230 8(4+4)
25.0 75 20.0 140 230 8(4+4)
26.0 80 25.0 155 250 8(4+4)
27.0 80 25.0 155 250 8(4+4)
28.0 80 25.0 155 250 8(4+4)
29.0 80 25.0 155 250 8(4+4)
30.0 +0.020
+0.009
85 25.0 170 270 8(4+4)
31.0 85 25.0 170 270 8(4+4)
32.0 85 25.0 170 270 8(4+4)
33.0 90 25.0 195 300 8(4+4)
OD tolerance Blade length Shank diameter Shank length full length Number of blades
(Boring / cutting edge)
34.0 +0.020
+0.009
90 32.0 195 300 8(4+4)
35.0 90 32.0 195 300 10(4+6)
36.0 90 32.0 195 300 10(4+6)
37.0 90 32.0 195 300 10(4+6)
38.0 90 32.0 195 300 10(4+6)
39.0 90 32.0 195 300 10(4+6)
40.0 100 32.0 210 330 10(4+6)
41.0 100 32.0 210 330 10(4+6)
42.0 100 32.0 210 330 10(4+6)
43.0 100 32.0 210 330 10(4+6)
44.0 100 32.0 210 330 10(4+6)
45.0 100 42.0 230 360 10(4+6)
46.0 100 42.0 230 350 10(4+6)
47.0 100 42.0 230 350 10(4+6)
48.0 100 42.0 230 350 10(4+6)
49.0 100 42.0 230 350 10(4+6)
50.0 +0.024
+0.011
110 42.0 240 370 12(6+6)
51.0 110 42.0 240 370 12(6+6)
52.0 110 42.0 240 370 12(6+6)
53.0 110 42.0 240 370 12(6+6)
54.0 110 42.0 240 370 12(6+6)
55.0 110 42.0 240 370 12(6+6)
56.0 110 42.0 240 370 12(6+6)
57.0 110 42.0 240 370 12(6+6)
58.0 110 42.0 240 370 12(6+6)
59.0 110 42.0 240 370 12(6+6)
60.0 110 42.0 240 370 12(6+6)

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