ISO 16287:2005 pdf download.Plain bearings - Thermoplastic bushes- Dimensions and tolerances.
a) Check the inside bush diameter with two nng gauges.
Insert the bush successively into two gauging rings, one corresponding to the maximum size limit and the other to the minimum size limit of the housing tolerance class H7,
The inside bush diameter shall not exceed the bottom limit of the specified tolerance class according to Table 5, when inserted into the gauging flng having the minimum housing tolerance limit.
The inside bush diameter shall not exceed the upper limit of the specified tolerance class when inserted into the gauging ring having the maximum housing tolerance limit.
The inside maxinum and minimum bush diameter shall be checked with a GO and NO GO plug gauge or measured with a 3-point measuring instrument
b) Check the inside bush diameter with one ring gauge, in accordance with ISO 3547-2:1999. test C for wrapped bushes
Press the bush Into a ring gauge, the size of which is made up of D0 and the rounded average value of the tolerance class H7.
The inside diameter of the bush when it is pressed into the ring gauge D shall be checked with a GO and NO GO plug gauge or measured with a 3-point measuring instrument.
The width of the gauging ring shall be greater than the width of the bush.
There ere tolerance differences between checking the inside diameter of the bush In two ring gauges corresponding to the H7 limit sizes Isee 7.3 a)J and checking the inside bush diameter in one ring gauge with the average value of H7 Isee 7.3 bfl. There are further tolerance differences between gauging and measuring the inside bush diameter. Therefore, checking details shall be subject to agreement between supplier and purchaser.
Insert the bush successively into two gauging rings, one corresponding to the maximum size limit and the other to the minimum size limit of the housing tolerance class H7,
The inside bush diameter shall not exceed the bottom limit of the specified tolerance class according to Table 5, when inserted into the gauging flng having the minimum housing tolerance limit.
The inside bush diameter shall not exceed the upper limit of the specified tolerance class when inserted into the gauging ring having the maximum housing tolerance limit.
The inside maxinum and minimum bush diameter shall be checked with a GO and NO GO plug gauge or measured with a 3-point measuring instrument
b) Check the inside bush diameter with one ring gauge, in accordance with ISO 3547-2:1999. test C for wrapped bushes
Press the bush Into a ring gauge, the size of which is made up of D0 and the rounded average value of the tolerance class H7.
The inside diameter of the bush when it is pressed into the ring gauge D shall be checked with a GO and NO GO plug gauge or measured with a 3-point measuring instrument.
The width of the gauging ring shall be greater than the width of the bush.
There ere tolerance differences between checking the inside diameter of the bush In two ring gauges corresponding to the H7 limit sizes Isee 7.3 a)J and checking the inside bush diameter in one ring gauge with the average value of H7 Isee 7.3 bfl. There are further tolerance differences between gauging and measuring the inside bush diameter. Therefore, checking details shall be subject to agreement between supplier and purchaser.
