Digital type distance measuring wheel.
Port: Fob
Minimum Order Quantity: 100 Piece/Pieces
Supply Ability: 3000 Piece/Pieces per Month
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: One pc in a color box
Delivery Detail: 30-60days
Digital type distance measuring wheel.It has inch and MM graduation,and can use synchronously.
Measuring Wheel Standard Quality control(Q.C.)&Inspection
counter test
Requirements:
1.Set 8 kilometers/per hour for idle running(W/O zeroized).
2.Zeroizing per every 5 meters,totally 5000 times test.
3.Replace new twsiting;pressing leaf spring and auxiliary after pass the above Q.C.test.
Any below situation occurred during testing is N.G.
1.Zeroizing incompletely & imprecisely.
2.Gear wheel get stuck or turning W/O moving forwaed while testing.
3.Plastic part broken while testing;
Precision gauge for wheel O.D.test
1.Only passing the Max.& Min.tolerance of O.D.(outside diameter) gauge is acceptable.
End surface & concentricity test
Any below situation occurred during testing is N.G.
1.Single side of end surface:move up and down over 0.5mm
2.Circling motion:move up down over 0.2mm
Complete whole product test
1.Correctly put the maesuring wheel into the testing gauge;Set speed at 8 kilometer/hour for running in clockwise way;Zeroizing per every 20 seconds and break one time;Totally 20 times test for clockwise running testing;
2.If above testings are OK,then test again in reversed way;
Any below situation occurred during testing is N.G.
1.Zeroizing incompletely;plastic parts broken;
2.wheel assembled should be properly,avoid any too tight or too loose
3.Gear wheel get stuck;
Walking test
1.Tolerance:5mm/per 1M by 30 meters walking test
Falling test
1.Falling from 1.5M high position in any angle for three times;
Any below situation occurred during testing is N.G.
1.Plastic parts broken or disintegrated;
2.Zeroizing function is not working well;
Appearance and others
1.Appearance W/O impact;scrape and spot;
2.Twist locking aliminium tube couldn't over 2 cycles;
3.Alimunium tube should be easily telescopic and cannot fall off;
ONLY PASS ABOVE TESTE IS ACCEPTABLE,OR BELONG TO "N.G.",SHOULD REPLACE THE DEFECTIVE PARTS AND RE-TEST AGAIN.