Page 646 - MiSUMi 2025

7 Economy series Product Overview Product Overview Economy series 7

Timing Pulleys & Idlers & Belts / Round Belt Pulleys & Idlers & Belts QTooth Profile Measurement of MISUMI Timing Pulleys Round Belt Pulleys & Idlers & Belts Timing Pulleys & Idlers & Belts /
Timing Pulleys
Timing Pulleys

Example: The following are the test results of S5M tooth profile. The products of MISUMI specification conform to JIS / ISO standards,
Specs
Timing Pulleys Economy series New · MISUMI Timing Pulley tooth profiles conform to JIS and ISO standards Pulleys Timing
and there is a difference in their engagement with timing belt between the generic products on the market and the standard sizes.
Timing Pulleys
Generic products on the market Tooth profile does not conform to JIS / ISO standards.
MISUMI Economy series tooth profiles conform to JIS / ISO standards.
*
The measured value of the tooth bottom circle is too large, which The measured value of the tooth top circle and tooth bottom
P.07-007 is unqualified and has poor engagement with the timing belt. circle is qualified, and has good engagement with the timing belt. P.07-007
More suitable for reducing
Idlers the cost of reciprocating / Idlers
conveyance purposes R0.5605mm
P.07-033 Tooth profiles conform to JIS / ISO standards. R0.6111mm R0.2575mm R0.2528mm P.07-033
Timing Belts Less belt wear Improved assembly efficiency rb Left rb Right rb Left rb Right Timing Belts

P.07-055 * Generic products on the market are similar products randomly purchased by MISUMI from the market P.07-055
Round Belt Pulleys & Idlers & Belts QTooth Profile Overview of MISUMI Economy series Timing Pulleys QLonger Timing Belt Life Idlers & Belts Round Belt Pulleys &
* The test result are obtained through testing by MISUMI, which are for reference only.

Tooth Profile
P.07-088 Specifications MXL·XL T HTD S · MISUMI Economy series Timing Pulley, with chamfering and deburring treatment at the tapped hole, P.07-088
is not easy to wear the timing belt, and the price is cheap while increasing the lifetime of the timing belt.
Belt Wear Wear Test of Timing Pulley Belt condition after the test of timing belt pulley without
chamfer on the tapped hole: there are obvious wear marks left
(Unit: mg) by the pulley tooth tapped hole on the belt tooth surface.
200
Belt Wear
Tooth Profile Reduced by QTest Conditions
Shape
150 57% Belt Specification: S5M
Belt Width: 150mm
Number of teeth of
190 drive side pulley: 20
100 Number of teeth of
Transmission Standard Torque Light Load Transmission High Torque Transmission driven side pulley: 60
Capacity Transmission Standard Torque Transmission 80 Rotational speed: 3000rpm
50 Tension (N): 160N
Positioning Low High Test time: 24h
Accuracy
Tapped Hole Tapped Hole
Not Chamfered Chamfered * Generic products on the market are similar products randomly
* Cases of poor quality of generic products on the market purchased by MISUMI from the market
QExample of Customer Use * The test result are obtained through testing by MISUMI, which are
QMore Convenient On-site Assembly for reference only.
· MISUMI Economy series Timing Pulley is chamfered at the shaft Generic products on the market * MISUMI Economy series
Workpiece Reversing hole and tapped hole for easy installation, reducing assembly Tapped Hole Not Chamfered Tapped Hole Chamfered
time by 27% compared to the timing pulley not chamfered.
Transfer Mechanism Assembly Time Assembly Test of Timing Pulley
(Unit: Second)
QPurpose 80 Overall
The workpiece moving on the conveyor belt rotates 90 MISUMI Economy series 70 67 Reduced
degrees and is then transferred to the next process. Timing Pulleys 60 27%
The chuck mechanism rotates 180 degrees and transfers 50 49
the workpiece without changing the direction of the 40 Generic products on the market * MISUMI Economy series
workpiece relative to the conveying direction. 62 Shaft Hole Not Chamfered Shaft Hole Chamfered
30 Screw Assembly
QMain Parts 20 46
MISUMI Economy series Timing Pulleys and 10
Timing Belts MISUMI Economy series MISUMI Economy series 5 3 Rotating Shaft Assembly
Timing Belts Idlers 0 Generic products on the market MISUMI Economy series
* Generic products on the market are similar products randomly purchased by
MISUMI from the market
* The test result are obtained through testing by MISUMI, which are for
reference only.
07-007