内径百分表常见故障及修理_

内径百分表常见故障及修理

Datetime:2009-03-25 05:55:37　Author:admin　Browse:　

Bore Gauges:

Bore Gauge(Micro-holetest)

Realizing high indication stability by head part of original structure.
Bore gauge
Cylinder gauge is the comparative measuring instrument which measures inner diameter of a hole by comparing with master gauge (micro-meter, ring gauge etc.)
Center of gauge head and kan rod are guided to diameter part of a hole by guide plate, and displacement of gauge head is transferred to dial gauge by right angle change in the ratio of 1:1 with cam mechanism.
Measurement accuracy is changed according to scale interval ( resolution ) of used dial gauge. Measurable line up are available from Ø6mm toØ450mm according to size of diameter.

High accuracy in spite of small inner diameter.
Micro-hole test
This is measuring instrument specially for small hole which measures inner diameter from minimum Ø1.7mm to maxØ10mm.
When edge of gauge head is inserted to small hole, edge is closed to inside and presses inner push-rod upward. The principle is that movement is transferred to tugiasi and instructs to scale mark of dial gauge.
Swing width of scale mark is read as well as cylinder gauge. It is the characteristic that repeating precision level indicating performance is high as 2 µm.

Standard Type Bore Gauge

Ultra hard alloy ball is applied to an edge of gauge head, which is superior to anti-abrasion.
High instruction stability is realized by unified guide plate of original shape.
Kan rod and washer is selected and used according to measurement dimension .
It is in accordance with JIS B 7515 A class.

Measuring inner diameter of outer rim of bearing

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