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GN 817.5 Indexing Plungers Steel, for Precision Locating, Plunger Pin Conical

Indexing Plungers GN 817.5: Steel, for Precision Locating, Plunger Pin Conical
Type: B - Without rest position
Overview of Indexing Plunger Types Construction and assembly instructions Load Rating Information ISO Fundamental Tolerances Plastic Characteristics

Product description

Indexing plungers GN 817.5 allow highly accurate positioning, with the guidance made by the positioning bushings DIN 172 / DIN 179 with cylindrical bore. The actual indexing bore is fitted with positioning bushings GN 172.1 / GN 179.1 with conical bores.

The conical shape of the indexing pin / the indexing bore makes the positioning virtually clearance-free and therefore highly precise.

Type C is used for such applications where the plunger has to stay in its retracted position. To achieve this, the knob is rotated by 90° degrees after being retracted. A notch keeps the plunger in this position.

Specification

Guide
Steel
Blackened

Plunger pin
Steel
Hardened and ground

Knob
Plastic, polyamide (PA)

  • Black, matte finish
  • Not removable

Pressure spring
Stainless steel AISI 302

RoHS

Accessory

Guide Bushings DIN 172 (with Collar)
Guide Bushings DIN 179 (without Collar)
Guide Bushings GN 172.1
Guide Bushings GN 179.1

GN 817.5 Indexing Plungers, Steel, for Precision Locating, Plunger Pin Conical sketch
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GN 817.5 Indexing Plungers, Steel, for Precision Locating, Plunger Pin Conical sketch

Article options / Table

Type

BWithout rest position
CWith rest position
Show / Hide columns
d1
Pin h6		l1l2
Stroke		l3bd2d3d4kl4l5l6l7l8
min.
max.		l9Spring load
in N ≈
initial

end
6189913234,3342345625791017,5625
62491513234,33423456257151623,5625
82010,69,416285,338265182799,41019,58,528
82610,615,416285,3382651827915,41625,58,528
102412,611,416285,33826518271111,41223,511,540
103212,619,416285,33826518271119,42031,511,540

Build & Price
Bolt diameter d1
Length l1
Type


Bolt diameter d1
Length l1
Type


Construction and assembly instructions
Sketch GN 817.5

The length l7 is determined by the penetration depth of the plunger pin into the cone of the bushing.

The length l8 must ensure that the plunger pin fully disengages, bushing length and plate thickness plus any gap can then be selected within certain margins.

If engaged, the pin must have a minimum remaining stroke of 0,5 mm to make sure that the conical section of the pin is located without clearance in the cone of the guide bushing.
Two different plunger pin lengths l1 are available for each indexing plunger diameter d1 (see product table).
For a safe remaining stroke length: l9 = l1 - 0,5 mm
For mounting bushings with tolerance n6, a hole with tolerance H7 corresponding to the external diameter is usually provided.

Selected Part (How to order)

Total (net)
25,40 €
plus VAT 4,83 €
gross 30,23 €
Weight: 0,043 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone +49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances).
Customs tariff number
73181900
Please note our order discounts.
With a total value (net) per order:
from 200,00 € -> 10 % discount
from 300,00 € -> 20 % discount
from 400,00 € -> 30 % discount

Surcharge for small volume purchases:
-> 15,00 Euro
for value of goods less than 25,00 €
-> 10,00 Euro
for value of goods from 25,00 to 49,99 €
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GN 817.5-6-18-BGN 817.5-6-18-CGN 817.5-6-24-BGN 817.5-6-24-CGN 817.5-8-20-BGN 817.5-8-20-CGN 817.5-8-26-BGN 817.5-8-26-CGN 817.5-10-24-BGN 817.5-10-24-CGN 817.5-10-32-BGN 817.5-10-32-C

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