RS PRO 8 Piece, 4 Pair Parallel Set

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Sous-total (1 jeu)*

123,07 €

(TVA exclue)

148,91 €

(TVA incluse)

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*Prix donné à titre indicatif

N° de stock RS:
387-0127
Fabricant:
RS PRO
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Marque

RS PRO

Number of Pieces

8

Length

6in

Width

1/2in

Height

1 in, 1 1/4 in, 1 1/2 in, 1 3/4in

Number of Matched Pairs

4

Accuracy

0.0003 in

Statut RoHS : Exempté

Pays d'origine :
CN

Matched Sets


Sets contain matched pairs of parallels
All parallels are hardened and precision ground
Parallelism accuracy 0.0002in
Matched pair accuracy 0.0003in

Supplied with

Fitted polypropylene storage cases


Parallels, Surface Finish & Hardness


Surface Finish


Any machined component has a surface geometry which consists of three basic elements:


Form or Curvature - Whether the surface has irregular bumps or dimensional changes
Waviness - Whether the surface has regular repetitive ripples or patterns (e.g. milling patterns)
Roughness - The shapes or irregularities that are smaller than, and form part of the waviness pattern (e.g. material micro-structure)


Waviness and roughness are traditionally the most difficult elements to measure when comparing surface finish, however, they have a radical effect on the performance of the finished component. Variations will cause aesthetic appearance changes, component wear variations, oil retention variation etc. Many manufacturers therefore specify a range of roughness values which their components should be manufactured to, often expressed as: Ra, Rq (RMS), RzDIN, Ry, Sm,mm.

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