ROLLCON VAKIOTOLERANSSIT
Ellei nykyisessä piirustuksessa toisin mainita, viittaamme vakiotoleransseihimme.
Standard tolerances Rollco; applies to items machined in lathe, milling- or cutting machine |
|||
---|---|---|---|
Area |
What |
Rollco standard in the case of absence of information |
Links |
Tolerance setting |
Dimension, shape and location |
ISO 2768-1 m, ISO 2768-2 K |
|
|
Radius |
R=0,4 |
|
|
Chamfers |
1*45 |
|
|
Depth of drilled hole to be threaded |
Length of drilled hole=length of thread+5mm |
|
|
Depth of thread |
2*thread diameters |
|
|
|
|
|
Hardness HRC |
Hardness |
According to supplier specification |
|
|
|
|
|
Surface finish |
Surface roughness/machined surface |
Ra 1,2 |
|
|
Cutted surface |
Ra 6,3 |
|
|
|
|
|
Keyway std. |
Dimension of keyhole: width, deep tolerance |
SMS 2305 / DIN6885 |
|
|
|
|
|
Thread release |
Dimension |
Length=1,5*lead, Dia.=thread OD-(1,5*lead) |
|
|
|
|
|
Thread |
Dimension tolerances |
6g outer, 6H inner (ISO 965-2) |
|
|
|
|
|
Bearing seating |
Axial fixed bearing |
j6 (ISO 286-2) |
|
|
Support bearing |
j6 (ISO 286-2) |
|
|
|
|
|
Drive shaft |
|
h7 |
|
|
|
|
|
Circlip |
Dimension |
Din 471 |
|
|
|
|
|
Shaft center hole |
|
If necessary, center holes are used in the shaft ends |
|
Cutting and assembly |
Other products; Aluminium Profiles, Telescopic Rails, Linear unit RHL & QME, Ballscrew Clearance |