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* Rings & Plugs
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* Gauges
# VARIABLE INDICATING GAUGES & SETTING MASTERS
Variable Gauging (Spline Variable) is a segmented concept that is pre-set to a master plug or ring gauge and is designed to accurately measure the effective or actual tooth thickness or space width within 0.0001” (0.0025mm). The 0.001mm resolution indicator clearly displays variation in size due to heat treatment distortion, tool wear and manufacturing deviation.
**Spline Variable Options:**
* Plug and Ring type Configurations
* Handheld or Bench Mounted
* Composite (Effective) or Sector (Actual) Versions
* Adaptable to leading statistical quality control systems (IE: Federal, Mitutoyo, Sigma, etc.)
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## COMBO CHECK
**Ring Type** – Indicating Dimension Over Balls Anvils
**Plug Type** – Indicating Dimension Between Ball Anvils
The effective “Combo Check” gauge combines a go composite form with carbid pins/ball anvils (manufactured to the same diameter as component pins) that contact the part on a single plane providing dimension between/over balls size.
The “Combo Check” gauge is pre-set to a Master Plug or Ring and is used to measure the variation between or over pins or balls. Depending on the type of indicator used, the variation can be shown as either an actual dimension between/over balls or the variation in .0001″ (.0025mm) increments. To reduce the amount of rocking required to get an accurate measurement, the tooth width form of the spline guide is manufactured above or below the minimum/maximum effective to reduce the measurement bias due to misalignment.
The proprietary trigger mechanism on the plug type, fully retracts the pin anvils which not only increase accuracy and repeatability, but protects component parts as well.
**Combo Check Options:**
* Plug and Ring Type Configurations
* Composite or Sector Versions
* Adaptable to leading statistical quality control systems (Federal, Mitutoyo, Sigma, etc.)
**Gauge Also Used to Check:**
* Taper
* Hollow
* Crown
* Out of Round
## **GAUGE MATERIAL OPTIONS**
The best gauges start with the most appropriate material in each use case.
Let us know what you need or allow our engineers to recommend the best options.
**WPS** – Oil hardening tool steel hardened to Rc 60-62.
**WPX** – A powdered metal high speed steel hardened to Rc 62-64; noted for its higher wear resistance without sacrificing toughness. Recommended for high frequency gauges.
**WPZ** – A powdered metal high speed steel hardened to Rc 64-66; extremely high wear resistance and moderate toughness. Recommended for master gears.
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###### Get started today
## CONTACT US
Let our team of technicians guide you through the process of defining and developing the solutions you need to produce your best.
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### PRODUCTS
### UK
747/751 Warwick Road
Tyseley, Birmingham, UK
B11 2HA
(44) 121 706 1231 Phone
(44) 121 706 8425 Fax
### USA
728 East 8th Street
Ste. 3
Holland, MI 49423
(616) 393-9580
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# CONCENTRICITY GAUGES
**Concentricity Gauges** are used to assist in assuring that certain diameters are concentric or a face is square to the spline pitch diameter. Western Pegasus manufactures concentricity gauges to the same tolerance of profiling, spacing, and runout as those applied to our composite gauges.
The Concentricity Gauge is a segmented design of three splined rings, with two outer rings fixed and the central ring rotating to lock onto the component. To obtain a quantitative value, a dial gauge is set onto the concentricity band of the ring, and the component rotated.
Concentricity Gauge Options:
* Ring Type (for use between centers)
* Plug Type (for use between centers)
* Bench Mounted plug and ring type with fixed or Positional Indicators
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# ARBORS
## Tapered Arbor
Simplest form of inspection arbor. The taper is manufactured as spline or major diameter dependent upon the component datum criteria. Tapered arbors can be supplied inscribed with size bandings for component classification.
## Rotolock Arbor
Designed and manufactured to customer requirement for inspection and heavy machining applications; turning, grinding, and hobbing of components where the spline pitch diameter is the datum. The Rotolock Arbor clamping is produced by three spline sections, two fixed and one rotating. The rotation is generated by an offset male to female vee and is manufactured to provide torc in the opposite direction of the machine spindle rotation. The arbor can be supplied with a spindle for hydraulic use or a manually activated locknut; both options can be mounted between centers for inspection use.
### Expanding Collet
For inspection and light machining applicaions. The collet expansion is generated by a manually activated locknut and tapered shaft.
### Expanding Key
For inspection and light machining applications. The expanded key arbor is manufactured with several expanding keys which when activated, clamp onto the major diameter of component.
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# MASTER GEARS
Western Pegasus offers a full line of helical and spur master gears, rolling and setting masters for inspection and production applications. As with our complete spline gauge line, Master Gears are designed and built to AGMA, DIN, BS and other international standards. Master Gears are available to the following specifications:
**Major diameter:**
**Facewidth:**
**Helix Angle:**
**Module:**
**Diametral Pitch:**
250mm Max
100mm Max
0-45
10 Mod — 0.4 Mod
2.54 DP — 63.5 DP
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## TECHNICAL DATA
### Spur Master Gear
Metric
Imperial
Max Pitch Diameter
250mm
10″
Pitch
0.2 – 6 Mod
127 – 4 DP
Max Face Width
200mm
8″
150mm
6″
0.3 – 6 Mod
85 – 4 DP
38mm
1.5″
Max Helix Angle
45 deg
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Western Pegasus
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