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Product DetailSpecification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
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Number of Teeth(T)
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Shaft Hole Diameter d(?)
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type
- S8M
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CADCAD
- 2D
Days to ShipSố ngày giao hàng
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- Alltất cả các
- 15 Day(s) or Less
Specify AlterationsChỉ định thay đổi
STS Pulley, S8M Type
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Product DetailProduct 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 |
| Number of teeth 44 to 60: 46 | |||||
| 250 | 25 | 34 | Number of teeth 40 or less: 49 | 28 | 3 |
| Number of teeth 44 to 60: 57 | |||||
| 400 | 40 | 50 | Number of teeth 40 or less: 65 | 44 | 3 |
| Number of teeth 44 to 60: 73 | |||||
| 600 | 60 | 71 | Number of teeth 40 or less: 86 | 65 | 3 |
| Number of teeth 44 to 60: 94 |
| Number of pulley teeth | Pulley shape | Materials | Pitch diameter | Outer Diameter | Pulley width | Boss width | Boss Diameter | Flange part number |
|---|---|---|---|---|---|---|---|---|
| dp (mm) | do (mm) | l (mm) | B (mm) | db (mm) | ||||
| 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
| Number of teeth | Tooth profile | Nominal width | Pulley shape Materials | Flange Included | Surface Treatment | Pulley shape | ||||||||||||||||||
| A | B | |||||||||||||||||||||||
| Shaft hole specification (to) 1 mm unit designation (·) selection | 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) | ||||||||||||||||
| 18 | S8M | 0150 0250 0400 0600 | A B | F | NA (base material) BL (Black oxide coating) | 12 ～ 28 | 12 ～ 25 | 12 ～ 22 | 12 ～ 20 | 12 ～ 20 | 12 ～ 25 | 14 ～ 27 | 3≦J ≦W-3 | 12 ～ 23 | 14 ～ 25 | S+T≦ W-3 | 12 ～ 19 | 12 ～ 19 | 12 ～ 17 | 12 ～ 16 | 12 ～ 15 | 12 ～ 17 | 14 ～ 19 | 3≦J ≤ l - 3 |
| 19 | 12 ～ 30 | 12 ～ 30 | 12 ～ 26 | 12 ～ 20 | 12 ～ 24 | 12 ～ 28 | 14 ～ 30 | 12 ～ 28 | 14 ～ 30 | 12 ～ 22 | 12 ～ 22 | 12 ～ 22 | 12 ～ 20 | 12 ～ 20 | 12 ～ 20 | 14 ～ 22 | ||||||||
| 20 | 12 ～ 32 | 12 ～ 30 | 12 ～ 26 | 12 ～ 20 | 12 ～ 24 | 12 ～ 30 | 14 ～ 32 | 12 ～ 29 | 14 ～ 31 | 12 ～ 23 | 12 ～ 23 | 12 ～ 22 | 12 ～ 20 | 12 ～ 20 | 12 ～ 21 | 14 ～ 23 | ||||||||
| 21 | 12 ～ 34 | 12 ～ 30 | 12 ～ 26 | 12 ～ 20 | 12 ～ 24 | 12 ～ 31 | 14 ～ 33 | 12 ～ 29 | 14 ～ 31 | 12 ～ 23 | 12 ～ 23 | 12 ～ 22 | 12 ～ 20 | 12 ～ 20 | 12 ～ 21 | 14 ～ 23 | ||||||||
| 22 | 12 ～ 35 | 12 ～ 32 | 12 ～ 28 | 12 ～ 20 | 12 ～ 26 | 12 ～ 32 | 14 ～ 34 | 12 ～ 32 | 14 ～ 34 | 12 ～ 23 | 12 ～ 23 | 12 ～ 22 | 12 ～ 20 | 12 ～ 20 | 12 ～ 21 | 14 ～ 23 | ||||||||
| 24 | 12 ～ 39 | 12 ～ 38 | 12 ～ 34 | 12 ～ 20 | 12 ～ 32 | 12 ～ 37 | 14 ～ 39 | 12 ～ 37 | 14 ～ 39 | 12 ～ 25 | 12 ～ 25 | 12 ～ 25 | 12 ～ 20 | 12 ～ 24 | 12 ～ 23 | 14 ～ 25 | ||||||||
| 26 | 12 ～ 42 | 12 ～ 42 | 12 ～ 38 | 12 ～ 20 | 12 ～ 36 | 12 ～ 40 | 14 ～ 42 | 12 ～ 40 | 14 ～ 42 | 12 ～ 25 | 12 ～ 25 | 12 ～ 25 | 12 ～ 20 | 12 ～ 24 | 12 ～ 23 | 14 ～ 25 | ||||||||
| 28 | 12 ～ 44 | 12 ～ 43 | 12 ～ 38 | 12 ～ 20 | 12 ～ 36 | 12 ～ 42 | 14 ～ 44 | 12 ～ 42 | 14 ～ 44 | 12 ～ 30 | 12 ～ 30 | 12 ～ 30 | 12 ～ 20 | 12 ～ 30 | 12 ～ 28 | 14 ～ 30 | ||||||||
| 30 | 12 ～ 49 | 12 ～ 49 | 12 ～ 49 | 12 ～ 20 | 12 ～ 49 | 12 ～ 47 | 14 ～ 49 | 12 ～ 47 | 14 ～ 49 | 12 ～ 30 | 12 ～ 30 | 12 ～ 30 | 12 ～ 20 | 12 ～ 30 | 12 ～ 28 | 14 ～ 30 | ||||||||
| 32 | 12 ～ 51 | 12 ～ 51 | 12 ～ 51 | 12 ～ 20 | 12 ～ 51 | 12 ～ 49 | 14 ～ 51 | 12 ～ 49 | 14 ～ 51 | 12 ～ 42 | 12 ～ 42 | 12 ～ 42 | 12 ～ 20 | 12 ～ 42 | 12 ～ 40 | 14 ～ 42 | ||||||||
| 34 | 12 ～ 55 | 12 ～ 55 | 12 ～ 51 | 12 ～ 20 | 12 ～ 51 | 12 ～ 53 | 14 ～ 55 | 12 ～ 53 | 14 ～ 55 | 12 ～ 42 | 12 ～ 42 | 12 ～ 42 | 12 ～ 20 | 12 ～ 42 | 12 ～ 40 | 14 ～ 42 | ||||||||
| 36 | 12 ～ 58 | 12 ～ 58 | 12 ～ 57 | 12 ～ 20 | 12 ～ 57 | 12 ～ 56 | 14 ～ 58 | 12 ～ 56 | 14 ～ 58 | 12 ～ 45 | 12 ～ 45 | 12 ～ 45 | 12 ～ 20 | 12 ～ 45 | 12 ～ 43 | 14 ～ 45 | ||||||||
| 40 | 12 ～ 65 | 12 ～ 63 | 12 ～ 62 | 12 ～ 20 | 12 ～ 60 | 12 ～ 63 | 14 ～ 65 | 12 ～ 63 | 14 ～ 65 | 12 ～ 50 | 12 ～ 50 | 12 ～ 50 | 12 ～ 20 | 12 ～ 50 | 12 ～ 48 | 14 ～ 50 | ||||||||
| 44 | 20 ～ 72 | 20 ～ 70 | 20 ～ 70 | 20 ～ 20 | 20 ～ 70 | 20 ～ 70 | 22 ～ 72 | 20 ～ 70 | 22 ～ 72 | 20 ～ 56 | 20 ～ 56 | 20 ～ 55 | 20 ～ 20 | 20 ～ 55 | 20 ～ 54 | 22 ～ 56 | ||||||||
| 48 | 20 ～ 78 | 20 ～ 70 | 20 ～ 70 | 20 ～ 20 | 20 ～ 70 | 20 ～ 76 | 22 ～ 78 | 20 ～ 76 | 22 ～ 78 | 20 ～ 62 | 20 ～ 62 | 20 ～ 62 | 20 ～ 20 | 20 ～ 62 | 20 ～ 60 | 22 ～ 62 | ||||||||
| 50 | 20 ～ 82 | 20 ～ 70 | 20 ～ 70 | 20 ～ 20 | 20 ～ 70 | 20 ～ 80 | 22 ～ 82 | 20 ～ 80 | 22 ～ 82 | 20 ～ 62 | 20 ～ 62 | 20 ～ 62 | 20 ～ 20 | 20 ～ 62 | 20 ～ 60 | 22 ～ 62 | ||||||||
| 60 | 20 ～ 107 | 20 ～ 70 | 20 ～ 70 | 20 ～ 20 | 20 ～ 70 | 20 ～ 105 | 22 ～ 107 | 20 ～ 88 | 22 ～ 90 | 20 ～ 62 | 20 ～ 62 | 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 | ||
| Over 30, and 38 or less | 10 | 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 |
- * 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.
Be careful when riveting the XL type sintered pulley.
(Like the S45C product, it may be chipped if it is hit hard)
(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| Part Number |
|---|
| 22S8M0600AF-NA-H-[12-35/1] |
| 28S8M0600AF-NA-H-[12-44/1] |
| 32S8M0600AF-NA-H-[12-51/1] |
| Part Number | Price | Minimum Order Qty. | Volume Discount | Days to ShipSố ngày giao hàng | Number of Teeth (T) | Shaft Hole Diameter d (?) |
|---|---|---|---|---|---|---|
- | 1 Piece(s) | 15 Day(s) or more | 22 | 12 ～ 35 | ||
- | 1 Piece(s) | 15 Day(s) or more | 28 | 12 ～ 44 | ||
- | 1 Piece(s) | 15 Day(s) or more | 32 | 12 ～ 51 |
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Basic InformationThông tin cơ bản
| 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 toCác thông số kỹ thuật và kích thước của mã sản phẩm có thể không được bao phủ đầy đủ. Để biết chi tiết chính xác, hãy tham khảo manufacturer catalogsdanh mục nhà sản xuất ..
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