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You are here: Product Overview  >  1.4 Adjusting, Positioning, Locking with and without Position Indication  >  Indexing Mechanisms  >  GN 700 Adjustable Knobs previous product next product

GN 700 Adjustable Knobs Aluminum, Mechanism Steel, with Stepless Positioning

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GN 700 Adjustable Knobs, Aluminum, Mechanism Steel, with Stepless Positioning Type: S - With standard scale 0...9, 100 graduations
Type: S - With standard scale 0...9, 100 graduations
GN 700 Adjustable Knobs, Aluminum, Mechanism Steel, with Stepless Positioning Type: S - With standard scale 0...9, 100 graduations GN 700 Adjustable Knobs, Aluminum, Mechanism Steel, with Stepless Positioning Type: A - With arrow GN 700 Adjustable Knobs, Aluminum, Mechanism Steel, with Stepless Positioning Type: B - Neutral, without arrow or scale GN 700 Adjustable Knobs, Aluminum, Mechanism Steel, with Stepless Positioning Type: KS - With customized scale
Standard sheet GN 700 Print this page Application video GN 700 Technical instructions How to order - Graduations Keyway P9 DIN 6885-2 ISO Fundamental Tolerances

Product description

Information

With this adjustable knob GN 700 a shaft can be infinitely adjusted in both directions. The anti-backlash mechanism with a max. load of 15 Nm ensures the firm locking of the shaft in any position.

This mechanism prevents any uncontrolled movement of the shaft. The locking action is a safety feature to prevent unwanted re-adjustments caused by backlash and vibration.

Scale and arrow on the control knobs are indelibly marked and easily legible since the engraved "aluminum colored" numbers contrast with the black anodized surface.

Besides the standard scale (type S) the control knob version may be supplied with any other scale (type KS).

Regarding design, numbering run, numbering position and numbering sequence of the scale please see the layout for scale rings on the order sheet „How to order Graduations“

Specification

Attachment part / bushing
Steel
Blackened

Blocking mechanism
Steel
Hardened and ground

Scale ring / rotating knob
Aluminum

  • Black anodized
  • Scale / arrow for type A / S / KS
    • Laser-engraved
    • Centered between two mounting holes

RoHS

On request

  • Special graduations
    see „How to Order Graduations“

Technical drawing

3D
GN 700 Adjustable Knobs, Aluminum, Mechanism Steel, with Stepless Positioning sketch
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GN 700 Adjustable Knobs, Aluminum, Mechanism Steel, with Stepless Positioning sketch

Article options / Table

Type

AWith arrow
BNeutral, without arrow or scale
SWith standard scale 0...9, 100 graduations
KSWith customized scale
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d1d2 H7
Bore with keyway K		d3d4 -0,2d5l1l2l3
66K 12K 1452555,544940

Build & Price

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Outside diameter d1
Bore d2
Type




Description

The anti-backlash mechanism which operates on the principle of a bidirectional freewheeling and antireversing basis allows the transfer of movement in both directions without backlash. The adjustable knob is not suitable for applications on machines or equipments which are exposed to vibrations.

The bushing is connected by the key and keyway to the revolving shaft.

The location ring remains static and centrally positioned by the bushing and the two pinch rollers, fixed to the machine frame or housing by three screws.

The rotating knob with the knurled barrel is carried by the bushing.

The scale ring is firmly anchored to the bushing and the driven shaft by two countersunk screws.

If the knob is repositioned, one of the follower pins – depending on the direction of rotation – pushes the pinch roller against the pressure spring into an idling position which releases the bushing and shaft to rotate freely.

The second follower pin on the opposite side reduces the movement of its pinch roller and ensures at the same time a firm grip and forward movement of the bushing while the first pinch roller remains in an idling position.

When releasing the knob, the pressure spring will push the pinch roller back into the grip position, thus linking the bushing again with the static section.

The scale ring is connected firmly with the bushing and any readjustment of the shaft can be accurately controlled.

This infinitely adjustable knob cannot, however, be used in such cases where the shaft to be adjusted runs ahead of the adjustment. The anti-backlash mechanism in this knob cannot be used as a bearing for the driven shaft.

Hints for installation

A perfect functioning can only be guaranteed if the shaft of the machine is positioned at a perfect right angle to the contact surface of the static part.

Graduations - „How to Order“

79f8897c-7231-4813-82c6-71e62af1faf5

Information

The size of numbers and length of graduations depend on the number of graduations, quantity of numbers and the scale ring diameter.
The scales are engraved with laser precision.

Selected Part (How to order)

Total (net)
157,44 €
plus VAT 29,91 €
gross 187,35 €
Ask for delivery time
Weight: 0,560 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
84879090
Please note our order discounts.
With a total value (net) per order:
from 175,00 € -> 10 % discount
from 275,00 € -> 20 % discount
from 375,00 € -> 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 €
All prices in accordance with our price list No. 56, valid from 1 September 2024, plus VAT only valid for Germany.

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Our service team is available from Monday to Friday between 7:00 AM and 5:30 PM: +49 7723 6507 - 0

To the customised elements | To the contact persons

GN 700-66-K12-AGN 700-66-K12-BGN 700-66-K12-SGN 700-66-K12-KSGN 700-66-K14-AGN 700-66-K14-BGN 700-66-K14-SGN 700-66-K14-KS

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