Page 1221 - Benma | Blue book 5.0

Turning jaws Tel. +41 44 736 63 63 • Fax +41 44 736 63 00 • sales@brw.ch
250200 Tapered rod chuck RHU
Steel body, with jaw retainer (system Reishauer)
DIN 6350, cylindrical centring receptacle
Design
Centrally clamping precision chuck with steel body. All gliding parts made of selected, high-alloy
steels, hardened for use, ground highly precisely on special machines. All parts are replaceable. The
jaw guides are wear-resistant hardened in the special process.
Application
For lathe work with high demands on precision of concentricity and repeatability with simultane-
ously high clamping strength.
Normal accessories
1 set of hard, reversible clamping jaws, internally ground in the chuck.
DIN 6350 1 set of screws and the corresponding fastening elements acc. to the standard.
1 chuck key, rubber inserts
Designs:
125 mm: without jaw retainer
Order ID Ø d2 d5 t1 Max. Speed
mm mm mm mm min -1
250200.0100 125 95 30 4 4500
250200.0200 160 125 40 5 4000
250200.0300 200 160 51 5 3500
250200.0400 250 200 66 6 3000
250200.0500 315 260 90 6 2300

250220 Tapered rod chuck RHU
Steel body, with jaw retainer. (system Reishauer).
DIN 55029, with stud bolt for Camlock
Design
Centrally clamping precision chuck with steel body. All gliding parts made of selected, high-alloy
steels, hardened for use, ground highly precisely on special machines. All parts are replaceable. The
jaw guides are wear-resistant hardened in the special process.
Application
For lathe work with high demands on precision of concentricity and repeatability with simultane-
ously high clamping strength.
Normal accessories
1 set of hard, reversible clamping jaws, internally ground in the chuck.
DIN 55029 1 set of screws and the corresponding fastening elements acc. to the standard.
1 chuck key, rubber
Order ID Ø Short cone size E D F Max. Speed
mm mm mm mm min -1
250220.0100 160 4 40 63.5 70.7 4000
250220.0200 200 5 51 82.6 104.8 3500
250220.0300 200 6 51 106.4 133.4 3500
250220.0400 250 6 66 106.4 133.4 3000

250240 Clamping jaws
Hard, not ground.
Set of 3 pieces
Stepped and hardened jaws, supplied as supplement or as spares, must be ground on the chuck.
Order ID for Ø Order ID for Ø
mm mm
250240.0050 125 250240.0200 200
250240.0100 160 250240.0300 250
250250 Base jaws
Hard, ground.
Set of 3 pieces
Order ID for Ø Order ID for Ø
mm mm
250250.0100 125 250250.0300 200
250250.0200 160 250250.0400 250

250260 Top jaws
Soft.
Set of 3 pieces
Order ID for Ø Order ID for Ø
mm mm
250260.0050 125 250260.0200 200
250260.0100 160 250260.0300 250

1212 Brütsch/Rüegger Tools Ltd. • Heinrich Stutz-Strasse 20 • P.O. Box • CH-8902 Urdorf • www.brw.ch