Circumferential Backlash Instrument

These instruments measure the effective size of splines, while taking all form errors (effective spline) into account.

• Available for internal and external splines
• Composite spline, mutually rotatable discs
• Special measuring method that can be used instead of composite no go gauges according to ISO 4156 and ANSI B92.1
• For this instrument a setting master is required

Product Brochure

Combination with Size Inspection Instrument

Combining the effective spline, as measured with this instrument, with the actual dimensions, that come from size inspection instruments, enables a more precise process monitoring. The FRENCO-Software LdynPro determines the difference between actual and effective and offers important information with regard to the quality of the gearing.