Closed Center Power Chucks

Unique ‘double slide key’ only available at MMK!

He Series

Thru-Hole 3-Jaw Power Chuck

The He model is superior in rigidity, durability, and safety, with the double-slide key structure. This unique ‘double slide key’ is only at MMK. Also equipped with a through-hole, the He model is suitable for accurate machining of bar materials, etc.
 

SPECIFICATIONS

Model
Chuck Diameter Permissible Max. R.P.M. Jaw Stroke in DIA Max. Gripping Force Through-Hole DIA
(in.) (min⁻¹) (mm) (KN) (mm)
HeA5-6-35 6 4,600 4.7 46.3 35
HeA6-8-46 8 4,100 6.4 82.3 46
HeA8-10-66 10 3,700 8 94.1 66
HeA8-12-67 12 3,000 8.5 114.7 67
HeA11-15-103 15 1,800 9.5 147 103
HeA15-18-165B 18 1,700 9.5 186.2 165
HeA15-21-184B 21 1,250 9.5 186.2 184

HeX Series

Thru-Hole 3-Jaw Power Chuck

The HeX model is superior in accuracy, rigidity, and durability; featuring both pull-down gripping and double-slide key structures. The unique HeX chuck is an original MMK product.

BENEFITS

  • Heavy-Duty
  • High Rigidity and Accuracy
  • MMK Original Double Slide Keys
  • 6”-21” chuck sizes

SPECIFICATIONS

Model
Chuck Diameter Permissible Max. R.P.M. Jaw Stroke in DIA Max. Gripping Force Through-Hole DIA
(in.) (min⁻¹) (mm) (KN) (mm)
HeXA6-8-46 8 4,500 6.8 82.3 46
HeXA8-10-67 10 4,000 8.5 94.1 67
HeXA8-12-78 12 3,000 8.5 114.7 78

HHA Series

Closed Center 3-Jaw Power Chuck

A family of thirteen units from 21″ to 40″ in diameter, each providing rigid direct mountings,lubrication to all points, and hardened master jaws and guides. Six different chuck diameters and three mounting sizes insure that the right HHA chuck is available for your turning center.
 


SPECIFICATIONS

Model
Chuck Diameter Permissible Max. R.P.M. Jaw Stroke in DIA Max. Gripping Force
(in.) (min⁻¹) (mm) (KN)
HHA11-21 21 1,250 12 196
HHA11-24 24 1,100 12 196
HHA15-28 28 1,075 17.5 245
HHA15-32 32 940 17.5 245
HHA15-36 36 830 17.5 245
HHA15-40 40 750 17.5 245

HH6J Series

Closed Center Sealed 6-Jaw Power Chuck

Six-jaw version of Matsumoto’s closed center power chucks. High-speed, high quality units thatare intended for use with your thin-walled workpieces. Like all Matsumoto units, cost effective and performance-oriented. Sealed to keep contaminants; water and chips out of chuck which reduces maintenance time.

BENEFITS

  • Heavy-Duty
  • High Rigidity and Accuracy
  • MMK Original Double Slide Keys
  • 5”-24” chuck sizes
     

SPECIFICATIONS

Model
Chuck Diameter Permissible Max. R.P.M. Jaw Stroke in DIA Max. Gripping Force
(in.) (min⁻¹) (mm) (KN)
HH6JA11-24 24 955 12 147.0
HH6JA11-32 32 940 17.5 196.0
HH6JA15-36 36 500 12 218.5
HH6JA20-50 50 450 17.6 196.0

VIDEOS

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DOWNLOADS

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