- Products
Double-flank gear rolling tester and gear runout tester
GTR-4LS
・A high-precision double-flank gear rolling tester using an optical linear encoder, designed for small-module gears from m0.2 to m2.0
・Widely adopted for fine-pitch or small gears
・Also supports measurement of testing radius.

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- Center distance
- 11 ~ 130 mm
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- Measured item
- Double-flank rolling test
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- Gear to be measured
- Spur and helical gear
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- Measuring pressure
- -6 N ~ +6 N (-0.6 ~ +0.6 kgf)
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- Spindle (motor drive)
- 0.5/ 2.5/ 5.0 rpm

Outline and layout

Analyzing items
- Tooth-to-tooth composite error
- Total composite error
- Circular image display
- Data without eccentricity component
- OK/NG judgment based on input tolerance
- Grade evaluation according to JGMA, AGMA, JIS, ISO, DIN, GB
- Testing diameter measurement
Gear rolling test measurement results
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- Linear graph display
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- Circular graph display
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Special accessories
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Center support attachment
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Center support attachment (large)
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Bevel gear attachment
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Cross shaft gear attachment
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Jig for gear with shaft
GTR-25
・Standard model of the GTR series double-flank gear rolling testers: Quickly measures overall accuracy of small to medium-sized gears.
・Supports measurement of various types of gears by accepting special accessories.

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- Center distance
- 105 ~ 250 mm(Optionally, 25 ~ 170 mm, 70 ~ 215 mm)
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- Measured item
- Double-flank rolling test and runout
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- Gear to be measured
- Spur and helical gear(Optionally, worm and worm wheel, internal gears, and bevel gears)
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- Measuring pressure
- -10 ~ +25 N (-1 ~ 0 ~ +2.5 kgf)
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- Spindle (motor drive)
- 0.5 ~ 9 rpm

Outline and layout

GTR-40
・Model for medium-sized gears
・Quickly measures overall accuracy of medium-sized gears.
・Supports measurement of various types of gears by accepting special accessories.

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- Center distance
- 110 ~ 400 mm(Optionally, 30 ~ 320 mm, 75 ~ 365 mm)
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- Measured item
- Double-flank rolling test and runout
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- Gear to be measured
- Spur and helical gear(Optionally, worm and worm wheel, internal gears, and bevel gears)
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- Measuring pressure
- -10 ~ +25 N (–1 ~ 0 ~ +2.5 kgf)
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- Spindle (motor drive)
- 0.5 ~ 9 rpm

Outline and layout

GTR-60
・A double-flank gear rolling tester designed for large gears with a center distance of 600 mm.
・Supports measurement of various types of gears by accepting special accessories.

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- Center distance
- 120 ~ 600 mm(Optionally, 40 ~ 520 mm, 85 ~ 565 mm)
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- Measured item
- Double-flank rolling test and runout
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- Gear to be measured
- Spur and helical gear(Optionally, worm and worm wheel, internal gears, and bevel gears)
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- Measuring pressure
- -10 to +25 N (–1-0 to +2.5 kgf)
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- Spindle (motor drive)
- 0.4 ~ 4 rpm

Outline and layout

GTR-30
・Lightweight, more compact model of the GTR-25 double-flank gear rolling tester

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- Center distance
- 58 ~ 300 mm(Optionally, 38 ~ 300 mm)
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- Measured item
- Double-flank rolling test and runout
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- Gear to be measured
- Spur and helical gear(Optionally, worms and worm wheels)
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- Measuring pressure
- 0 ~ +25 N (0 ~ +2.5 kgf)
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- Spindle (motor drive)
- Selectable between 3 rpm and 6 rpm.

Outline and layout

Special accessories
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Runout measurement equipment
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Bevel gear equipment
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Worm and worm wheel equipment
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Internal gear equipment
GTR-25CS/30CS/40CS

・Based on GTR-25/30 with added optional runout equipment
・Automatic measurement using a ball stylus
・High-speed runout measurement of gears using dedicated software

Outline and layout

UB-2

・Eccentricity tester that enables high-precision measurement of tooth runout via simple manual operation
・Widely used in manufacturing sites.
・Outer diameter: Up to 320 mm
・Shaft length: Up to 400 mm

Outline and layout





