Fit Bore Made-to-order
- Standardized machining specifications for shaft holes, keyways, tapped holes, and surface treatment.
No additional processing is required by the customer, and the product can be used immediately. - ＊Smart ： Symbolize processing specifications.
- ＊Smooth ： Drawings for processing are not required by the customer at the time of arrangement, and drawing data is also available.
- ＊Speedy ： It is ready to use as soon as you receive it.
Finishing type
shaft bore machining
| Shaft bore tolerance | Shaft Bore Diameter | Chamfer amount |
|---|---|---|
|
|
|
- Shaft bore diameters are finished in 1 mm integers (inch dimensions are not applicable)
- Tsubaki standard chamfer is 0.5 mm across the board.
Keyway machining
| Keyway tolerance | Keyway Width |
|---|---|
|
|
- Follows JIS standards for keyway width
- Without keyway W00
Hole Tapping
| Number of taps and position | Tap size |
|---|---|
|
|
- Tap size corresponds to bore diameter size
- Without taps: D0M00
Surface treatment
- Blank ：None
- K：Electroless nickel phosphorus plating
- ※Blank after for no surface treatment.
- [Note ]No nickel plating for additionally finished parts.
Model No. examples
| PT30P5M15AF | -A | - | H | 020 | N | - | J | 06 | D3 | M06 | |
| ｜Belt Sprocket model no. | ｜ ｜ ｜ ｜ ｜ |
｜ ｜ ｜ |
｜ Shaft Bore Diameter mm |
｜ ｜ ｜ ｜ ｜ |
｜ ｜ ｜ |
｜ Keyway Width mm |
｜ ｜ ｜ |
｜ Tap size |
|||
| Shaft bore tolerance |
Keyway tolerance |
tap hole machining package |
|||||||||
| Material -A：Aluminum alloy None ：Carbon steel for machine structural use |
Shaft bore chamfer | ||||||||||
Notes
- ＊Keyway and tap follow JIS standards. Customers should check whether they can use this under their usage conditions, or contact a Tsubaki representative.
Finishing type (Tap finishing position )
AF Type
BF Type
- ＊With AF types, the tap finishing angle of the 2nd hole is an approximate angle. (since it is processed on the belt sprocket's tooth valley. )
- ＊Some holes may be counterbore holes when they are long.
- ＊Finished taps come with set screws for each tap hole.
Set screw package
- Hexagonal head, hollow top type, and made of steel.
- If the body is plated, stainless steel set screws will be attached.
Made-to-order
| Types | Model No. | Size |
|---|---|---|
| PX Belt Sprocket | PT□□P□M□□□□-□□□□□-□□□D□M□□(-K) | P3M, P5M, P8M, P14M |
