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22S8M0600AF-NA-H-[12-35/1]

Number of Teeth Shaft Hole Diameter d type CAD Days to Ship

Specification/Dimensions

Number of Teeth(T)
22

28

32
Clear
Shaft Hole Diameter d(ø)
[12-51/1ø Unit(s)]
Clear
type
- S8M
Clear
CAD
- 2D
Clear

Days to Ship

All

14 Day(s) or Less
Clear

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STS Pulley, S8M Type

Name: STS Pulley, S8M Type
Brand: BANDO CHEMICAL
Availability: PreOrder

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Brand :

BANDO CHEMICAL

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Days to Ship :

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CAD Download

Product Description

It is Bando Chemical Industries brand's high-precision STS pulley shaft hole finished product.
It can be used as a part of the transmission mechanism together with the timing belt.
[Features]
・ You can purchase complete pulleys with shaft holes, keys and taps according to the shaft diameter to be used without drawing
[Applications]
・ It is used in a wide range of equipment from large machines such as machine tools and injection molding machines to office equipment such as copiers and printers

Drawing

Standard tooth model

STS pulley S8M type basic specifications

Standard pulley shape

Pulley size table

Nominal width	Belt width used (mm)	Total width W (mm)	Pulley width l (mm)	Tooth width WA (mm)	Flange step width S (mm)
150	15	23	Number of teeth 40 or less: 38	17	3
150	15	23	Number of teeth 44 to 60: 46	17	3
250	25	34	Number of teeth 40 or less: 49	28	3
250	25	34	Number of teeth 44 to 60: 57	28	3
400	40	50	Number of teeth 40 or less: 65	44	3
400	40	50	Number of teeth 44 to 60: 73	44	3
600	60	71	Number of teeth 40 or less: 86	65	3
600	60	71	Number of teeth 44 to 60: 94	65	3

Number of pulley teeth	Pulley shape	Materials	Pitch diameter	Outer Diameter	Pulley width	Boss width	Boss Diameter	Flange part number
Number of pulley teeth	Pulley shape	Materials	dp (mm)	do (mm)	l (mm)	B (mm)	db (mm)	Flange part number
18	A·B	Carbon steel for machine structure	45.84	44.46	65	15	29	FS5333
19			48.38	47.01	65	15	34	FS5638
20			50.93	49.56	65	15	35	FS5939
21			53.48	52.1	65	15	35	FS5939
22			56.02	54.65	65	15	35	FS6242
24			61.12	59.74	65	15	40	FS6848
26			66.21	64.84	65	15	40	FS7555
28			71.3	69.93	65	15	50	FS7753
30			76.39	75.02	65	15	50	FS8363
32			81.49	80.12	65	15	65	FS8969
34			86.58	85.21	65	15	65	FS9272
36			91.67	90.3	65	15	75	FS9878
40			101.86	100.49	65	15	80	FS10887
44			112.05	110.67	73	23	90	FS120100
48			122.23	120.86	73	23	100	FS129108
50			127.32	125.95	73	23	100	FS136116
60			152.79	151.42	73	23	100	FS160140

Standard table of shaft hole specifications

STS pulley, S8M type, shaft hole specification standard

Number of teeth

Tooth profile

Nominal width

Pulley shape
Materials

Flange
Included

Surface Treatment

Pulley shape

Shaft hole specification (to) 1 mm unit designation (·) selection

H (d)
Round hole

P(d)/T (d)
Round hole and tap

K (d)
Keyway

C (d)
Keyway and tap

N(d)/TK (d)
Keyway and tap

V stepped hole

Y Both-end stepped hole
WB 2 stepped hole

H (d)
Round hole

P(d)/T (d)
Round hole and tap

K (d)
Keyway

C (d)
Keyway and tap

N(d)/TK (d)
Keyway and tap

V/F stepped hole

V (d)

Z
Z-d ≧ 2

J
(0.1 mm unit)

Y (d) / WB (d)

Q·R

S·T
(0.1 mm unit)

V (d) / F (d)

Z
Z-d ≧ 2

J
(0.1 mm unit)

S8M

0150
0250
0400
0600

A
B

NA
(base material)
BL
(Black oxide coating)

12
～
28

12
～
25

12
～
22

12
～
20

12
～
25

14
～
27

3≦J
≦W-3

12
～
23

14
～
25

S+T≦
W-3

12
～
19

12
～
17

12
～
16

12
～
15

12
～
17

14
～
19

3≦J
≤ l - 3

12
～
30

12
～
26

12
～
20

12
～
24

12
～
28

14
～
30

12
～
28

14
～
30

12
～
22

12
～
20

14
～
22

12
～
32

12
～
30

12
～
26

12
～
20

12
～
24

12
～
30

14
～
32

12
～
29

14
～
31

12
～
23

12
～
22

12
～
20

12
～
21

14
～
23

12
～
34

12
～
30

12
～
26

12
～
20

12
～
24

12
～
31

14
～
33

12
～
29

14
～
31

12
～
23

12
～
22

12
～
20

12
～
21

14
～
23

12
～
35

12
～
32

12
～
28

12
～
20

12
～
26

12
～
32

14
～
34

12
～
32

14
～
34

12
～
23

12
～
22

12
～
20

12
～
21

14
～
23

12
～
39

12
～
38

12
～
34

12
～
20

12
～
32

12
～
37

14
～
39

12
～
37

14
～
39

12
～
25

12
～
20

12
～
24

12
～
23

14
～
25

12
～
42

12
～
38

12
～
20

12
～
36

12
～
40

14
～
42

12
～
40

14
～
42

12
～
25

12
～
20

12
～
24

12
～
23

14
～
25

12
～
44

12
～
43

12
～
38

12
～
20

12
～
36

12
～
42

14
～
44

12
～
42

14
～
44

12
～
30

12
～
20

12
～
30

12
～
28

14
～
30

12
～
49

12
～
20

12
～
49

12
～
47

14
～
49

12
～
47

14
～
49

12
～
30

12
～
20

12
～
30

12
～
28

14
～
30

12
～
51

12
～
20

12
～
51

12
～
49

14
～
51

12
～
49

14
～
51

12
～
42

12
～
20

12
～
42

12
～
40

14
～
42

12
～
55

12
～
51

12
～
20

12
～
51

12
～
53

14
～
55

12
～
53

14
～
55

12
～
42

12
～
20

12
～
42

12
～
40

14
～
42

12
～
58

12
～
57

12
～
20

12
～
57

12
～
56

14
～
58

12
～
56

14
～
58

12
～
45

12
～
20

12
～
45

12
～
43

14
～
45

12
～
65

12
～
63

12
～
62

12
～
20

12
～
60

12
～
63

14
～
65

12
～
63

14
～
65

12
～
50

12
～
20

12
～
50

12
～
48

14
～
50

20
～
72

20
～
70

20
～
20

20
～
70

22
～
72

20
～
70

22
～
72

20
～
56

20
～
55

20
～
20

20
～
55

20
～
54

22
～
56

20
～
78

20
～
70

20
～
20

20
～
70

20
～
76

22
～
78

20
～
76

22
～
78

20
～
62

20
～
20

20
～
62

20
～
60

22
～
62

20
～
82

20
～
70

20
～
20

20
～
70

20
～
80

22
～
82

20
～
80

22
～
82

20
～
62

20
～
20

20
～
62

20
～
60

22
～
62

20
～
107

20
～
70

20
～
20

20
～
70

20
～
105

22
～
107

20
～
88

22
～
90

20
～
62

20
～
20

20
～
62

20
～
60

22
～
62

In the case of shaft hole specifications N, K, TK, shaft hole diameters 51 to 54 cannot be manufactured. In the case of shaft hole specification C, shaft hole diameters of 13, 14, 17, 21 and above cannot be manufactured.
Shaft hole specifications H (round hole), K (keyway), V/F (stepped hole), Y (stepped hole at both ends), WB (2-ended stepped hole) do not have tapped holes.
A set screw is attached to shaft hole specifications P, N, TK, and C.
No surface treatment is applied to the processed part.
The flange is rivet before shipping, but it can be shipped without riveting as an option.
Depending on the combination of number of teeth, width and shape, it may not be handled even in the above table. Please be aware of this.

Keyway / tap dimensions

Adaptive shaft hole diameter (mm)	Keyway width B	Tolerance JS9	Keyway height h	Tolerance	Tap size T	Set screw () is semi-standard
4 or more and 6.35 or less *	—	—	—	—	M3	M3 × 4
7 or more and 9 or less *	—	—	—	—	M4	M4 × 5 (M4 × 4)
10 or more and 12 or less	4	±0.015	1.8	+0.1 0	M4	M4 × 5 (M4 × 4)
Over 12, and 17 or less	5		2.3		M5	M5 × 5
Over 17, and 22 or less	6		2.8		M6	M6 × 8 (M6 × 6)
Over 22, and 30 or less	8	±0.018	3.3	+0.2 0	M6	M6 × 8 (M6 × 6)
Over 30, and 38 or less	10	±0.018			M8	M8 × 10 (M8 × 8)
Over 38, and 44 or less	12	±0.0215
Over 44, and 50 or less	14		3.8
Over 50, and 58 or less	16		4.3		M10	M10 × 12
Over 58, and 65 or less	18		4.4		M10	M10 × 12

* ø4 to 7, 9, 51 to 54 (shaft hole diameter: 4 to 7, 9, 51 to 54 mm) cannot be keyway milled.

About tap processing

● Threading from the tooth part is processed from the tooth bottom (tooth valley part). If 2 places are required at a 90° (or 120°) angle, the manufacturer will process from the tooth bottom closest to 90° (or 120°) at 90° (or 120°) or higher.
● If there is directionality in the tooth or boss part by processing in 2 places (example: rotation direction with respect to the keyway position), the manufacturer will process it clockwise when viewed from the boss side.
● The threading position at the tooth and boss is processed at the center of the tooth (W) and boss (B).
● The standard screw depth is the effective screw diameter × (1.5 to 2.0).
● When threading (tap) to the flange is specified, the standard position accuracy is pitch circle diameter ±0.3 mm and rotation direction ±0.3 mm.

Alteration

Flange mounting method
Since the STS / synchro belt can be used at high torque and high speed, be sure to follow the procedure below to attach the flange to prevent accidents.

(1) Riveting method (Standard Flange)

(1) Please prepare a prick punch, a flat board, a cylindrical jig, and a hammer.
(2) If contaminants adhere to the flange fitting part of the pulley, a gap will be created between the pulley and the flange part, and it will not be possible to crimp properly. Clean the flange fitting part.
(3) Place the pulley main unit on a flat board and crimp it with a perforation punch so that the pulley main unit covers the flange side.

Use a punch and rivet as described above.

Be careful when riveting the XL type sintered pulley.
(Like the S45C product, it may be chipped if it is hit hard)

* In the case of B type pulley, since it has a boss, it will be in an unstable state when riveting, so use a cylindrical jig so that it can be riveted evenly.
When riveting the opposite side of the boss, it will be in an unstable state, so if you insert the boss into a cylindrical pipe, etc., as shown in the above figure, it will be easier to crimp.

When riveting the opposite side of the boss, it will be in an unstable state, so if you insert the boss into a cylindrical pipe, etc., as shown in the above figure, it will be easier to crimp.

(4) When crimping the flange, be sure to crimp it in diagonal order.
(5) The number of crimps should be as follows.

Pulley diameter (mm)	Number of rivets
31 or less	6 places or more
Over 31, and 50 or less	8 places or more
Over 50, and 80 or less	10 places or more
Over 80, and 150 or less	12 places or more
Over 150, and 220 or less	16 places or more
More than 220	20 places or more

(6) After installing the flange, check for looseness.

(2) Screw mount method

The flange of the large diameter pulley of S8M/S14M type and XH/XXH type pulley should be a cutting flange, and the pulley body should be fixed with countersunk screws.

[Design information]

Design procedure,Standard transmission capacity table

: 30; 60; 90

Part Number
22S8M0600AF-NA-H-[12-35/1]
28S8M0600AF-NA-H-[12-44/1]
32S8M0600AF-NA-H-[12-51/1]

Price	Name	Minimum Order Qty.	Days to Ship	Number of Teeth (T)	Shaft Hole Diameter d (ø)
-	TIMINGPULLY	1 Piece(s)	14 Day(s)	22	12 ～ 35
-	TIMINGPULLY	1 Piece(s)	14 Day(s)	28	12 ～ 44
-	TIMINGPULLY	1 Piece(s)	14 Day(s)	32	12 ～ 51

Basic Information

Type	Timing pulley	Belt Series	S8M	Belt Width Used (mm)(mm)	60
Pulley Shape	Shape A	Material	Carbon Steel	Belt Width Used(Inch)(Inch)	2.36
Surface Treatment	No	Shaft hole processing type	Round hole (H)

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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STS Pulley, S8M Type

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Pulley size table

Standard table of shaft hole specifications

Keyway / tap dimensions

About tap processing

Alteration

(1) Riveting method (Standard Flange)

(2) Screw mount method

[Design information]

Basic Information

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Number of Teeth(T)

Shaft Hole Diameter d(ø)

type

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Specify Alterations

STS Pulley, S8M Type

Copy Part Number URL to Clipboard

Product Description

Drawing

Pulley size table

Standard table of shaft hole specifications

Keyway / tap dimensions

About tap processing

Alteration

(1) Riveting method (Standard Flange)

(2) Screw mount method

[Design information]

Basic Information

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MISUMI Contact 8:00 - 18:00 (Mon-Sat),*Order cut off time is 17:00 / Online order cut off time is 18:00