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Product DetailSpecification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
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Additional Work
- Available
- No
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type
- 3V-1
- 3V-2
- 3V-3
- 3V-4
- 3V-5
- 3V-6
- 5V-10
- 5V-2
- 5V-3
- 5V-4
- 5V-5
- 5V-6
- 5V-8
- 8V-4
- 8V-6
- 8V-8
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Groove shape
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Number of grooves(piece)
- 1
- 2
- 3
- 4
- 5
- 6
- 8
- 10
-
Type
-
Shape(mm)
-
CADCAD
- 2D
- 3D
Days to ShipSố ngày giao hàng
-
- Alltất cả các
- Same day
- 8 Day(s) or Less
- 9 Day(s) or Less
- 10 Day(s) or Less
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Wedge Pulley
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Caution
thận trọng
- Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.
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Product DetailProduct Description
High-speed, high power transmission V-belt pulley that conforms with JIS B 1855.
[Features]
· Consistent production from casting to machining and surface treatment.
· Cell production method allows the production of many kinds of products in low volume, with short lead times.
· Enables high speed and high power transmission to make it possible to design a system with a smaller pulley diameter, shorter shaft distance and fewer belts.
· Full lineup. 491 size. 3V: 153 size, 5V: 257 size, 8V: 81 size.
· 230 size has been added into JIS standard 261 size separately. Fine standardization of small-diameter sizes used particularly in drive side mechanisms.
· Top-quality pulley with materials, machining precision and balance accuracy exceeding JIS standards (JIS B 1855-1991, "Slim V-pulley").
· Imbalance tolerance on the outer circumference guaranteed to be 0.1% of pulley mass.
[Applications]
· Fans, etc.
Wedge Pulley Specification
Wedge pulley external appearance
Consistent production from casting to machining and surface treatment. Additionally, NC machinery, automatic machinery, balancers, etc. have been developed specifically for pulley machining. Cell production allows the production of many kinds of products in low volume, with short lead times. Delivering convenience to customers.
Convenient additional machining service has been standardized
Shaft hole, keyway, and set screw machining are available in standardized form.
Extensive product range. 491 size
3V: 153 size, 5V: 257 size, 8V: 81 size. 230 size has been added into JIS standard 261 size separately. Fine standardization of small-diameter sizes used frequently in drive side mechanisms.
Moreover, the 3V ø56/60 (nominal size 56/60 mm), and 5V ø112/118/125/132/140 (nominal size 112/118/125/132/140) work with low edge cog type narrow width V belts
. Compared to regular lapped type belts, low edge cog type belts feature excellent flexibility and a high coefficient of friction. This improves transmission efficiency, and allows a smaller nominal size pulley to be used.
High quality exceeding JIS standards
The highest quality pulley, with materials, machining and balance accuracy exceeding JIS standards (JIS B1855-1991). Guaranteed imbalance tolerance on the outer circumference of 0.1% the pulley mass.
Product standard
Product standard conforms to JIS B1855-1991 "narrow width v pulleys"
Groove dimensions
The g dimension is set to 0.5 mm as shown in the Section A detail view. Years of research and testing have shown that this decreases wear and breakage, increasing belt service life. For this reason, the outer diameter of the wedge pulley is 1 mm larger
.
| Groove Shape | Nominal Size dn | α ± 0.5 (°) | w1 ± 0.1 | wg ± 0.13 | h | +0.5 | Standard Dimension k | e*1 | f min. | g |
|---|---|---|---|---|---|---|---|---|---|---|
| 0 | ||||||||||
| 3V | 90 Or Less | 36 | 8.9 | 9.23 | 9 | 0.6 | 10.3 ± 0.25 | 8.7 | +0.5 | |
| Over 90, And 150 Or Less | 38 | 9.24 | ||||||||
| Over 150, And 300 Or Less | 40 | 9.26 | ||||||||
| Over 300 | 42 | 9.28 | ||||||||
| 5V | 250 Or Less | 38 | 15.2 | 15.54 | 15 | 1.3 | 17.5 ± 0.25 | 12.7 | 0.5 | |
| Over 250, And 400 Or Less | 40 | 15.56 | ||||||||
| Over 400 | 42 | 15.58 | ||||||||
| 8V | 400 Or Less | 38 | 25.74 | 25 | 2.5 | 28.6 ±0.4 | 19 | 0.5 | ||
| Over 400, And 560 Or Less | 40 | 25.4 | 25.76 | |||||||
| Over 560 | 42 | 25.78 | ||||||||
Groove dimensions (units: mm)
*1: e cumulative error of 0.8 mm or less.
| Nominal Size dn | Outer Circumference Vibration Tolerance | Rim Side Vibration Tolerance | Diameter Tolerance |
|---|---|---|---|
| 125 Or Less | 0.15 (0.2) | 0.15(0.2) | ±0.4 (±0.6) |
| Over 125, And 315 Or Less | 0.2 (0.3) | 0.2(0.3) | ±0.6 (±0.8) |
| Over 315, And 710 Or Less | 0.3 (0.4) | 0.3(0.4) | ±0.9 (±1.2) |
| Over 715, And 1,000 Or Less | ±0.4 (±0.6) | 0.4(0.6) | ±1.2 (±1.6) |
| Over 1,000, And 1,250 Or Less | 0.5 (0.8) | 0.5 (0.8) | ±1.5 (±0.2) |
Outer circumference / rim side vibration tolerance value and outer diameter tolerance value (units: mm)
*Parentheses enclose the corresponding JIS B1855-1991 value
Balance
Imbalance mass allowance on the outer circumference is 0.1% or 1 g of the pulley mass, whichever is larger. At a circumferential speed of 15 m/s, this corresponds to G16 of the JIS B 0905 "Rotating Machines - Balance Quality of Rigid Rotors."
Material/finish
Wedge pulley: FC200 or higher coating, NBK blue (main body)
| Part Number |
|---|
| 250-3V-4 |
| 250-3V-4-[24-60/1]-[BCN,BKN,BKS,BKT,BKW,BNN,BNS,BNT,BNW]-[F6,F8,F,G6,G8,G,H6,H8,H] |
| 250-3V-4-[24-60/1]-[BCN,BKN,BKS,BKT,BKW,BNN,BNS,BNT,BNW]-[F6,F8,F,G6,G8,G,H6,H8,H][N,NS1,NS2,NS3,NSF,Q,QS1,QS2,QS3,QSF] |
| Part Number | Price | Minimum Order Qty. | Volume Discount | Days to ShipSố ngày giao hàng | RoHS | Groove shape | Number of grooves (piece) | Type | Shape (mm) | Additional Work |
|---|---|---|---|---|---|---|---|---|---|---|
5,481,921 VND | 1 Piece(s) | 8 Day(s) or more | 10 | 3V | 4 | 10Z | 251 | No | ||
- | 1 Piece(s) | 8 Day(s) or more | 10 | 3V | 4 | 10Z | 251 | Available | ||
- | 1 Piece(s) | 8 Day(s) or more | 10 | 3V | 4 | 10Z | 251 | Available |
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