Indexing Chucks

MDE

MDE is an automatic indexing chuck (8×45°) with hydraulic clamping and indexing. It is not self-centering.

Models

MDE is an automatic indexing chuck with hydraulic clamping and indexing, providing 8×45° indexing positions. It is not self-centering.

Advantages

  • Made of special high-resistance hardened and case-hardened 60HRC steel (UNI 18NiCrMo5) for high precision, reliability and quality.
  • Indexing movement (Tecnomors patent): simple and reliable, with a single piston working in rotation and in clamping position. Indexing precision ± 1′.
  • Guiding system using two pre-loaded solid straight rollers radially and one axial bearing.
  • Seals against contamination by coolant, chips or dust.
  • Constant and long-lasting precision; easy installation to the machine.
  • Centrifugal-force compensation system for parts susceptible to deformation, for higher productivity.
  • The chucking piston is connected to a safety device that keeps the workpiece securely gripped even in the event of complete pressure loss.
  • Constant and automatic control of the indexing position and other parameters via a separate electronic interface (not supplied) by the machine CNC.

 

Metric Imperial
Model & Description Weight Diameter Clamping Surface Stroke
MDE160 22.00 kg48.50 lb 160 mm6.30 in 13.85 cm²2.15 in² 10 mm0.39 in
MDE205 32.00 kg70.55 lb 205 mm8.07 in 23.7 cm²3.67 in² 14 mm0.55 in
MDE235 42.00 kg92.59 lb 235 mm9.25 in 23.7 cm²3.67 in² 14 mm0.55 in
MDE260 50.00 kg110.23 lb 260 mm10.24 in 44.1 cm²6.84 in² 18 mm0.71 in
MDE285 60.00 kg132.28 lb 285 mm11.22 in 44.1 cm²6.84 in² 18 mm0.71 in
MDE300 70.00 kg154.32 lb 300 mm11.81 in 44.1 cm²6.84 in² 18 mm0.71 in
MDE160
Weight
22.00 kg48.50 lb
Diameter
160 mm6.30 in
Clamping Surface
13.85 cm²2.15 in²
Stroke
10 mm0.39 in
MDE205
Weight
32.00 kg70.55 lb
Diameter
205 mm8.07 in
Clamping Surface
23.7 cm²3.67 in²
Stroke
14 mm0.55 in
MDE235
Weight
42.00 kg92.59 lb
Diameter
235 mm9.25 in
Clamping Surface
23.7 cm²3.67 in²
Stroke
14 mm0.55 in
MDE260
Weight
50.00 kg110.23 lb
Diameter
260 mm10.24 in
Clamping Surface
44.1 cm²6.84 in²
Stroke
18 mm0.71 in
MDE285
Weight
60.00 kg132.28 lb
Diameter
285 mm11.22 in
Clamping Surface
44.1 cm²6.84 in²
Stroke
18 mm0.71 in
MDE300
Weight
70.00 kg154.32 lb
Diameter
300 mm11.81 in
Clamping Surface
44.1 cm²6.84 in²
Stroke
18 mm0.71 in

Designs

Indexing chucks are fully hydraulic, combining rotation, indexing, and clamping in one rigid unit machined from hardened 18NiCrMo5 steel.

A single-piston indexing system acts across a large divider pin surface for precision within one arc-minute, guided by a dual-row preloaded roller system and heavy-duty axial bearing for consistent, long-term accuracy.

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