Rack Hobbing Cum Rack Milling Knapp

Type of machine

Rack Hobbing Cum Milling Machine

Make

KNAPP

Type

UFZM - V 300 H

Year of manufacture

1980

Type of control

conventional

Country of origin

Germany

Delivery time

immediately

Technical details

hobbing length

1000mm 

milling width

260 mm 

max. module

12  

weight of the machine ca.

4,5 t 

Additional information

Max. length of rack 1,250 mm
Milling travel / milling width cross max. 260 mm
Module, steel / cast iron 12 / 14
Table clamping size 275 x 1,850 mm
Mounting height below cutter, depending on cutter 136 - 410 mm

Cutter , min./max 125 + 2 x cutting depth / 280 mm
Cutter width max. floating / with support 50 / 140 mm
Cutter mandrel max. 50 mm
Milling spindle head, swivelling right / left 30 / 45 Ø°
9 spindle speeds 22 - 136 rpm
Milling slide swivelling right / left 30

Feeds, infinitely variable (milling slide) 0 - 600 mm/min
Quick return 3,000 mm/min

Milling spindle drive 4 kW
Total electrical load 6 kW - 380 V - 50 Hz
Weight 4,500 mm

Accessories / Special Features
* Automatic milling cycle control via cam block with possibility of jump switching (= automatic by-pass of an area which should not be milled) and pendulum milling operation (= synchronized milling on the first half of table, and tool change on the second half.
* 2-parts hydraulic workpiece clamping device: 800 x 260 mm each (individually controlled by the pendulum milling operation).
* Heavy duty milling head with drive for milling speeds and flywheel.
* Manual fine adjustment of table (0.001 mm) for exact positioning in a pre-milled gear.
* Various change gears (approx. 10 pieces). * 2 cutter mandrels. * Various other accessories.
* Central lubrication. * Built-in hydraulic unit. * Coolant device with magnetic separator.
* Separate switch cabinet.


This machine is especially suitable for milling racks, and also for manufacturing
broaching tools (relief milling is possible by swivelling the cutter head).