Air micrometers > GAP JET Automatic Measuring Unit
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GAP JET Automatic Measuring Unit

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Features

● High precision measuring of inner diameter. Repeatability : 0.1 μm (2σ)
● Inner diameters between Φ 0.8 and Φ 5 mm can be measured.
● Maximum of 14 measuring positions of cross sections can be registered.
● Workpieces with 0.5 mm-thick can be measured.
● No wear like air micrometer measuring head.

Sample of suitable applications

Injector : Inner diameter measuring, inner diameter profile measuring
Fluid bearing : Inner diameter measuring, inner diameter profile measuring
Ultra small diameter bearing : Inner diameter of 1 mm

GAP-JET200A model can check diameter change at inlet/outlet

GAP-JET200A 型は、入口・出口の径変化グラフ

Actual sample data for precise measuring : 1 mm inner diameter 25 measurements (Repeatability is 0.04 μm (2σ))

高精度測定実例データ : 1 mm 内径 25 回測定グラフ

Ball and workpiece do not touch during measuring because of centripetal effect.
Workpiece is not scratched/measuring ball does not wear.

従来空気マイクロ測定図面

Conventional air micrometer

GAPジェット測定図面

Gap Jet

Detects gap between ball and workpiece with high sensitivity using change in pressure of flowing air.

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Specifications

Model GAP-JET200A
Product code 0908040 0908050
Measured diameter
(Inner diameter)
Measured diameter at Φ 0.8 to Φ 5 (no notches in measured surface)
Measuring range 10 μm or less
Workpiece height From 0.5 mm to 20 mm.
However, it can measure continuously only if the probe is at least 0.25 mm from the rim of the shaft being measured
Indication resolution 0.01 µm
Repeatability
(Guaranteed performance)
0.1 μm/2σ (25 times)
Number of measured sections Maximum of 14 sections
Cycle times
(Section measurement time)
3 seconds per section (recommended value) Excluding when workpiece is mounted and when ball is moving
Ball positioning repeatability ±0.02 mm (movement in one direction)
Measuring position setting method (Choose from the following) Teaching BOX or teaching software
(Installed on PC provided by customer)
Profile measurement
(Optional setup)
None Exist
(Scan speed: 0.08 mm/second)
Power source 85 to 250 V, 70 VA
Air source 0.6 to 0.7 MPa
Operating temperature limit 0 to 40°C
Humidity range 90o/o or less (no condensation)

Options: Compatible with setup switching

Product
code
Product name Remarks
0909080 Workpiece specific design cost Required at time of order (workpiece diagram must be provided)
0909060 Master Cost of one master
0909070 Ball assembly Information (measured diameter) required, spare parts
4295153 Height measuring jig Required for each type of workpiece
4288780 Teaching BOX Choose one at purchase
4288238 Teaching software
(cable included)

Configuration diagram

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