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GN 817.3

8298_GN_817_3_p_i

GN 817.3

Indexing plungers with flange



8298_GN_817_3_p_i

GN 817.3

Standard ElementsMain dimensionsSpring load in N ?Weight
Descriptiond1 h7l1l2l3bd2d3d4kl4l5l6PreloadMax. loadg
GN 817.3-8-20-B820101016285.53826518278.52878
GN 817.3-8-22-B822101216285.53826518278.52880
GN 817.3-8-26-B826101616285.53826518278.52882
GN 817.3-8-30-B830102016285.53826518278.52884
GN 817.3-10-22-B1022121016285.53826518279.53860
GN 817.3-10-24-B1024121216285.53826518279.53877
GN 817.3-10-28-B1028121616285.53826518279.53879
GN 817.3-10-32-B1032122016285.53826518279.53880
GN 817.3-8-20-C820101016285.53826518278.52880
GN 817.3-8-22-C822101216285.53826518278.52882
GN 817.3-8-26-C826101616285.53826518278.52883
GN 817.3-8-30-C830102016285.53826518278.52885
GN 817.3-10-22-C1022121016285.53826518279.52880
GN 817.3-10-24-C1024121216285.53826518279.52883
GN 817.3-10-28-C1028121616285.53826518279.52880
GN 817.3-10-32-C1032122016285.53826518279.528100

Features and applications :
Indexing plungers GN 817.3 have been developed to enable precise locating when guide bushes GN 770 are used. For this purpose as a rule, as a plain guide bush (Type A), is used whereby the dimension l3 of the plunger determines the length of the bush.
The precise location is, therefore, not dependent on the guide pin in the plunger, but on the accuracy of the guide bush (bore tolerance G6) and the plunger (tolerance h7). Both components are hardened and ground. It goes without saying that the bush length also influences the accuracy of the positioning.
Type C with rest position is used in such applications where the plunger must not protrude continually. In that case the knob is retracted and afterwards turned by 90°. A notch is provided for the key to prevent the plunger from turning by error or vibration.

Material :
Black-oxide steel.

Plastic knob :
Polyamide based (PA) technopolymer, black colour, matte finish, not removable.

Plunger :
Hardened and ground steel.

Standard executions available :
– Version B: without rest position.
– Version C: with rest position.

 

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