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Compact design utilizing ball spline
Product name | Timing Belts - MXL / XL / L / H |
---|---|
Part number | TUN165L050 |
Features | General purpose timing belts for transmission. Although some tooth fabrics for MXL and XL rubber belts are changed to comply with the bear-back specifications, it does not affect the performance. |
Transmit torque from driving to driven pulley.
A pulley layout enabling replacements
■Timing Belts - MXL / XL / L / H
Material | MXL | XL | L | H | ||
---|---|---|---|---|---|---|
Tooth surface cover | Tooth rubber | Core wire | ||||
Nylon canvas | Chloroprene Rubber | Glass fiber cord S/Z Alternately Twisted Continuous | ○ | ○ | ○ | ○ |
Polyurethane | Polyurethane | MXL: Kevlar XL・L: Steel cord | ○ | ○ | ○ | - |
■Reference dimensions
Belt type | Pitch | Belt width | Belt length reference |
---|---|---|---|
MXL | 2.032 | 4.8, 6.4, 9.5, 12.7 | 100-1100 |
XL | 5.08 | 6.4, 7.9, 9.5, 12.7 | 200-2100 |
L | 9.525 | 12.7, 19.1, 25.4, 38.1 | 300-1800 |
H | 12.7 | 19.1, 25.4, 38.1, 50.8 | 600-4300 |
■Timing belt selection procedure
* Timing belt selection is made together with timing pulley
Automated selection tool is available to use.
http://fawos.misumi.jp/FA_WEB/pulley_us/
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■Load info. of timing belt
Belt type | Small pulley rotational speed(rpm) | Designed power(kW) |
---|---|---|
MXL、XL、L、H、T5、T10 | 10-20000 | 0.01-800 |
■Technical calculations
Product name | Timing Pulleys L Type |
---|---|
Part number | ATPA19L050-A-N30 |
Features | New! METRIC/ INCH Bores Available! |
Transfer rotary motion. Aluminum type selected for weight reduction purposes.
Accuracy degradation due to wear over time.
■Timing Pulleys L Type
Material | Surface treatment | Tooth type/Belt width | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MXL | XL | L | H | |||||||||||||||
Pulley | Flange | 4.8 | 6.4 | 9.5 | 12.7 | 6.4 | 7.9 | 9.5 | 12.7 | 12.7 | 19.1 | 25.4 | 38.1 | 19.1 | 25.4 | 38.1 | 50.8 | |
MXL、XL: 2017 Aluminum Alloy L、H: 7075 Aluminum Alloy | 5052 Aluminum Alloy | Clear anodize | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
Black anodize | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
Hard anodize | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
Electroless nickel plating | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
1045 Carbon Steel | Low Carbon Steel | − | - | ○ | ○ | - | ○ | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
Black oxide | - | ○ | ○ | - | ○ | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
Electroless nickel plating | - | ○ | ○ | - | ○ | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
304 Stainless Steel | 304 Stainless Steel | - | - | ○ | ○ | - | ○ | - | ○ | ○ | - | - | - | - | - | - | - | - |
■Pulley number of teeth and shaft bore DIA.
Belt type | Shape | Number of teeth | Pitch circle DIA. | Shaft bore DIA. |
---|---|---|---|---|
MXL | K, A, B | 14-72 | φ9.6-46.57 | φ3-35 |
XL | A, B | 10-72 | φ16.17-116.43 | φ4-80 |
L | A, B, D | 10-72 | φ30.32-218.30 | φ6-100 |
H | A, B, D | 14-72 | φ58.60-291.06 | φ12-100 |
K: With collar
A: No hub
B: With hub
D: With hub Relieved
■Timing pulley selection steps
* Timing pulley selection is made at the same time as the timing belt.
Automated selection tool is available to use.
http://fawos.misumi.jp/FA_WEB/pulley_us/
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■Timing pulley accuracy
Shaft bore tolerance: H7
■Technical calculations
Product name | Bearings with Housings - Standard Length, Double Bearings, Retained |
---|---|
Part number | BGRBB6007ZZ-50 |
Compact double bearing type with high bearing performance
■Bearings with Housings - Standard Length, Double Bearings, Retained
Flange Shape | Material | Surface treatment | ||
---|---|---|---|---|
Bearing | Housing | Retaining ring | Housing | |
Round type Square type Compact type | Steel | 1045 Carbon Steel | Spring steel | Black oxide |
304 Stainless Steel | Electroless nickel plating | |||
2017 Aluminum Alloy | 304 Stainless Steel | Clear anodizing | ||
Stainless | ||||
304 Stainless Steel | − |
■Sizes
Shaft bore DIA. | Bearing part number | Seal | Overall length | Pilot O.D. | |
---|---|---|---|---|---|
φ30 | 6806 | Double shielded Non-contact rubber seal Contacting rubber seal | 35 | 50 | φ50 |
6906 | 35 | 50 | φ54 | ||
6006 | 40 | 60 | φ62 | ||
6206 | 50 | 60 | φ70 | ||
φ35 | 6007 | 50 | 60 | φ70 | |
6207 | 60 | 80 | φ84 | ||
φ40 | 6008 | 60 | 70 | φ78 | |
6208 | 60 | 80 | φ92 |
■Accuracy of bearing housing
Pilot O.D. tolerance: g7
Seating face - Pilot perpendicularity: 0.01
Product name | Ball Splines -Both Ends Stepped Tapped |
---|---|
Part number | BSLM13-350-F6-E25-P10-Q10-M6-N6-SC0 |
Suitable for a transmission element when linear and rotary motion are needed at the same time.
■Ball Splines -Both Ends Stepped Tapped
Spline Shaft | Material | 52100 Bearing Steel | 440C Stainless Steel | |
---|---|---|---|---|
Hardness | 58HRC~ | 55HRC~ | ||
Nut | Material | 4115 Alloy Steel | 440C Stainless Steel | |
Hardness | 58HRC~ | 55HRC~ | ||
Shape | Round flange | ○ | ○ | |
Compact flange | ○ | - | ||
Straight | ○ | ○ |
■Dimensions
Spline shaft | Nut | ||
---|---|---|---|
Name No. | Shaft DIA. | Overall length | Pilot DIA. |
10 | φ10.4 | 60-600 | φ21 |
13 | φ13.4 | 60-600 | φ24 |
16 | φ16.6 | 70-600 | φ31 |
For 440C Stainless Steel spline shaft max. overall length is 390mm.
■Ball spline selection steps
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■Accuracy of ball spline shaft
(μm)
Name No. | Spline Shaft DIA. | Nut O.D. runout | Spline shaft center runout(Max.) | |||||
---|---|---|---|---|---|---|---|---|
(Max.) | Length | -200 | 201-315 | 316-400 | 401-500 | 501- | ||
10 | φ10.4 | 33 | 59 | 83 | 103 | 82 | 102 | |
13 | φ13.4 | 39 | 56 | 71 | 83 | 62 | 75 | |
16 | φ16.6 |
■Ball spline load rating
Name No. | Basic torque rating | Basic load rating | ||
---|---|---|---|---|
Dynamic (Nm) | Static (Nm) | Dynamic (kN) | Static (kN) | |
10 | 11 | 21 | 2.4 | 4.3 |
13 | 20 | 37 | 3.3 | 5.9 |
16 | 51 | 93 | 6.2 | 11.1 |
Ball spline running life is calculated with the formula below.
●In case of radial loads
●In case of torque loads
Ball spline life time is calculated with the formula below.
■Temp. factor (ft)
■Hardness factor (fh)
■Load rating ratio (fp)
Name No. | Spline shaft DIA. | Distributed load | Direct download |
---|---|---|---|
10 | φ10.4 | 1 | 0.71 |
13 | φ13.4 | 1 | 0.71 |
16 | φ16.6 | 1 | 0.68 |
■Load factor (fw)
Application conditions | Load factor (fw) |
---|---|
No vibration or shocks (Low speed 1~2 15m/min or less) | 1-2 |
Some vibrations and shocks (Med. speed 2~3 60m/min) | 2-3 |
Severe vibrations and shocks (High speed 3 and over 60m/min or over) | 3- |
This app. example uses a ball splines with flanged type nut.
Flanged nut is mounted on a hollow shaft, and rotation is transmitted via a pulley.
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* The part in the frame is a sub-assembly unit.
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