ROLLCO’S STANDARDTOLERANCER

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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

P0000-1ENTI

 

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

P0000-2ENTI

 

 

 

 

Thread release 

Dimension

Length=1,5*lead, Dia.=thread OD-(1,5*lead)

Thread relief

 

 

 

 

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

P0000-4ENTI

 

 

 

 

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

 

P0000-3ENTI