Weforma

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About

Weforma is a German manufacturer of feed controls. Founded with a focus on precision engineering, Weforma serves manufacturing and automation industries worldwide with products built and certified in Germany for the top performing units on the market.

Our partnership

Weforma speed controls can be integrated with self-feeding drills and other equipment to provide precise, adjustable feed rate control for your process. The WEVF series offers variable speed regulation from 0.015 to 40 m/min, allowing operators to fine-tune optimal feed rates to improve hole quality, extend tool life, and reduce cycle times.

Model
S stands for slow, and F stands for fast, representing speed.
Application
Stroke (mm/in)
Diameter (mm/in)
Load (lbf)
Or max thrust
Operating Temp

WEFV-70-1S

General Purpose
150
 mm
 / 
5.91
"
23.8
 mm
 / 
0.937
"
11
–
831
 lbf
-4
to
176
 ℉

WEFV-70-1F

General Purpose
150
 mm
 / 
5.91
"
23.8
 mm
 / 
0.937
"
11
–
831
 lbf
-4
to
176
 ℉

WEFV-60-1S

General Purpose
125
 mm
 / 
4.92
"
23.8
 mm
 / 
0.937
"
11
–
831
 lbf
-4
to
176
 ℉

WEFV-60-1F

General Purpose
125
 mm
 / 
4.92
"
23.8
 mm
 / 
0.937
"
11
–
831
 lbf
-4
to
176
 ℉

WEFV-50-1S

General Purpose
100
 mm
 / 
3.94
"
23.8
 mm
 / 
0.937
"
11
–
831
 lbf
-4
to
176
 ℉

WEFV-50-1F

General Purpose
100
 mm
 / 
3.94
"
23.8
 mm
 / 
0.937
"
11
–
831
 lbf
-4
to
176
 ℉

WEFV-40-1S

General Purpose
75
 mm
 / 
2.95
"
23.8
 mm
 / 
0.937
"
11
–
831
 lbf
-4
to
176
 ℉

WEFV-40-1F

General Purpose
75
 mm
 / 
2.95
"
23.8
 mm
 / 
0.937
"
11
–
831
 lbf
-4
to
176
 ℉

WEFV-30-1S

General Purpose
50
 mm
 / 
1.97
"
23.8
 mm
 / 
0.937
"
8
–
831
 lbf
-4
to
176
 ℉

WEFV-30-1F

General Purpose
50
 mm
 / 
1.97
"
23.8
 mm
 / 
0.937
"
8
–
831
 lbf
-4
to
176
 ℉

WEFV-20-1S

General Purpose
25
 mm
 / 
0.98
"
23.8
 mm
 / 
0.937
"
6
–
831
 lbf
-4
to
176
 ℉

WEFV-20-1F

General Purpose
25
 mm
 / 
0.98
"
23.8
 mm
 / 
0.937
"
6
–
831
 lbf
-4
to
176
 ℉

WEFV-10-1S

General Purpose
13
 mm
 / 
0.51
"
23.8
 mm
 / 
0.937
"
6
–
831
 lbf
-4
to
176
 ℉

WEFV-10-1F

General Purpose
13
 mm
 / 
0.51
"
23.8
 mm
 / 
0.937
"
6
–
831
 lbf
-4
to
176
 ℉

Intended use

  • Temperature influence: At higher temperatures, the damping characteristics will change.
  • During installation or maintenance, moving masses must be secured against unintended movement.
  • Operation outside the permissible temperature range may cause the speed control device to lose functionality.
  • Do not paint the speed control device, as this can impair heat dissipation.
  • Fluids, gases, and dirt particles in the surrounding environment may attack or destroy the sealing system of the speed control device and lead to functional failure. Protect or isolate the piston rod and sealing system from foreign substances in the environment.
  • Damage to the piston rod surface may destroy the sealing system. Do not grease or oil the piston rod.
  • The piston rod can be pulled out of the speed control device. Do not subject the piston rod to tensile loads.

Important information

General

The speed control device must not be:

  • painted
  • welded
  • clamped
  • subjected to tensile loads

When used in harsh environmental conditions (dust, water vapor, oils, etc.), the speed control device must be protected against damage and failure using appropriate accessories. If multiple speed control devices are used in the same application, the load must be distributed evenly. The Weforma catalog specifies technical data with minimum and maximum values. If the products are operated continuously within 20% of either the minimum or maximum specified values, prior written approval from Weforma is required.

Installation position

The installation position is unrestricted. However, the full stroke of the speed control must always be utilized. The speed control must be mounted so that the forces act centrally along the piston rod axis. The maximum off-center angle is 2°.