GN 864 Power clamps pneumatic, anti-stick coating

Photo

Product description

Information

The maximum clamping moment of the power clamps GN 864 is reached once the clamping arm is at the end of its stroke. For this reason the working stroke should be completed as closely as possible to the stroke end.

The type FG is equipped with an anti-stick coating of fluoropolymer (PTFE) for protection against welding spray and corrosion. With protective covers GN 864.1, the tensioning mechanism can be additionally protected against penetrating dirt.


Specification

Steel C 45
anti-stick coating
Fluorpolymer (PTFE), greenFG

Max. pressure 10 bar


RoHS

Technical drawing

3D
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GN 864 Power clamps, pneumatic, with anti-stick coating sketch

Article options / Table

Type

BLClamping arm horizontal
Show / Hide columns
Size
(Piston-Ø)
max. Clamping
moment
in Nm
at 6 bar

FH in N
Holding
capacity at r
at 6 bar

FS in N
Clamping
force at r
at 6 bar

a-0,2d1 h8d2
d3 H8d4d5h1h2
206040702220271028M 574,2M 51651
321505620411036,51240M 695G 1/82175,5
403007530674044,51650M 8116,8G 1/82691,5
5047513300900052,51860M 10138,5G 1/831114
Show / Hide columns
Size
(Piston-Ø)
l1 -0,5l2l3 l4l5m1
±0,01
m2m3
±0,01
m4
±0,01
m5rst
2015037,57021,54,5127,5172213273213
322065291316181025302236,54215
4024463104377,5221330372544,55218
5027972,5110,541,58271247443552,56221

Build & Price

Specifications

Size
Type

Finish

Operating principle dead point mechanism

These pneumatically operated power clamps (Patent MISATI) are used for clamping, holding, gripping and positioning of work pieces in jigs and handling systems.

The salient points of these power clamps are:
• the high clamping force
• the small dimensions
• the reduced air consumption
• the light weight

The drawings shown here explain the functional principle of the dead point mechanism.

Pistons with diameters of 20, 32, 40 and 50 mm yield a clamping force of 60 Nm up to 475 Nm, which leads to clamping forces being much above those of competitors’ power clamps.

The power clamps have been designed and configured to achieve an extended life. Functional tests have proved that even after 20 million cycles they were still serviceable.

Further salient design points are:

• The clamp is kinematically designed such that self-retention (holding force FH) is achieved in the clamped position (clamping force FS) after passing the dead point due to irreversibility.

• The forward stroke sequence of the clamping arm is rapid but the ultimate clamping action is slow and as a result pneumatic damping is normally not required. Upon request, however, it can be supplied when big masses are moved.

• The clamping mechanism is fitted with needle bearings which give optimum clamping forces and reduced wear.

• The steel cylinder with the integrated clamping mechanism are in one unit. This leads to high stability for these small units with an extended range of applications. The placement of the air connection at the bottom end leads also to many other advantages.

• The clamping mechanism of GN 864 is also shrouded to avoid the ingress of dirt and other objects which could interfere with the proper functioning of the clamps (such as welding operations!)

Selected Part (How to order)

Weight: 0,640 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)).
Please note our quantity discounts.
With a total value (net) per order:
from 175,00 Euro -> 10 % discount
from 275,00 Euro -> 20 % discount
from 375,00 Euro -> 30 % discount
With a total value (net) per order:
All prices in accordance with our price list No. 52, valid from 1 May 2019, plus VAT only valid for Germany.

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