MZ 120

CNC Gear Hobbing Machine

24 DP

Max Pitch Rating

5,000

RPM Hob Speed

8

CNC Axes

High-speed direct-drive hob head with CNC shifting:
5,000 max rpm (hobbing), 8,000 max rpm (milling).

Flexible dialogue programming for:
One or two gears on a single workpiece.
Radial, axial, climb, and/or conventional hobbing on a single- or two-cut cycle.
Crowning (lead modification).
Deburring using two equal hobs.
Single- or multi-start worm milling for double worms with both right and left hand, and deburring at worm thread entry and/or exit.
Multi-start worm hobbing.
Miter gear (straight bevel) cutting by index milling or Conikron generating.

Cast iron base for superior dynamic stability.

Flexible automation systems.

Hydraulic deburring unit.

Optional re-hobbing (skiving) system.

Optional driven tailstock.

Machine RFQ

MZ 120 Specification | Get Financing

Versatility

Up to eight CNC axes for application versatility.

Automation

Flexible automation system with special design options.

Shiftability

Hob shifting for evenly distributed cutting tool wear.

Capacity

Part diameters up to 1.772" and shaft lengths up to 9.843".

Bolstering your quality and productivity.

The MZ 120 CNC gear hobbing machine from Monnier + Zahner offers universal hobbing and worm milling for the machining of spur and helical gears, worm wheels, worms, straight bevel gears, and other tooth profiles that can be manufactured by the hobbing or milling process.

MZ 120 Technical Specifications

Specifications

Maximum pitch rating, gear hobbing	1.00 mn	24 DP
Maximum pitch rating, worm milling	1.59 mn	16 DP
Minimum number of teeth, gear hobbing	4 teeth	-
Minimum number of teeth, worm milling	1 tooth	-
Maximum workpiece diameter	45 mm	1.772 in
Maximum axial travel	200 mm	7.874 in
Maximum workpiece length - manually loaded	250 mm	9.843 in
Maximum workpiece length - automatically loaded	165 mm	6.496 in
Maximum radial travel of hob head	27 mm	1.063 in
Maximum axial position of tailstock	200 mm	7.874 in

Hob Head

Maximum spindle speed, hobbing	5,000 rpm	-
Maximum hob diameter	32 mm	1.260 in
Maximum milling cutter diameter	70 mm	2.756 in
Maximum cutter width	40 mm	1.575 in
Maximum Cutter Shift	34 mm	1.339 in
Swivel range	-45°	+120°