Used Matrix 46 Thread Grinding Machine | A.K. Machine Traders, Navi Mumbai, India

This used Matrix 46 thread grinding machine is available from A.K. Machine Traders in Navi Mumbai, India. It grinds threads on work held between centres or in a collet chuck.

It takes workpieces up to 254 mm in diameter and 1,066 mm between centres, with a maximum grinding length of 1,041 mm. The grinding head swivels up to 45 degrees and the machine covers thread pitches of 0.42–305 mm. It can also grind internal threads in bores of 19–228 mm and handle hobs and thread chasers.

Key Features

• Grinding head swivels up to 45 degrees
• 20 grinding head rotation speeds
• Adjustable backing-off of 0–5 mm
• Pitch correction up to 0.1 mm per 100 mm of length
• Back-run speeds of 25.4 rpm, 80 rpm or working speed
• Suitable for hobs and thread chasers
• Coolant tank included, 136 litres

Technical Specifications

• Model: Matrix 46
• Max. workpiece diameter: 254 mm
• Max. distance between centres: 1,066 mm
• Max. grinding length: 1,041 mm
• Max. collet chuck capacity: 38 mm
• Centre tapers: Morse No. 4
• Thread pitch: 0.42–305 mm
• Max. pitch correction: 0.1 mm per 100 mm of length
• Adjustable backing-off: 0–5 mm
• Grinding head swivel: 45 degrees
• Max. obliquity: 1:12
• Standard grinding wheel size: 408 x 25 x 205 mm
• Grinding wheel width range: 9.5–75 mm
• Grinding wheel speeds: 850–1,540 rpm
• Grinding head speeds: 20 speeds
• Workpiece slide speed: 1/3–60 rpm
• Back-run speeds: 25.4 rpm, 80 rpm or working speed
• Internal diameters processable: 19–228 mm
• Max. hob diameter: 178 mm
• Max. thread chaser diameter: 254 mm
• Workpiece slide motor: 0.75 HP
• Grinding head motor: 3.5/1.25 HP
• Coolant tank capacity: 136 litres
• Length: 3,600 mm
• Width: 2,100 mm
• Height: 1,300 mm
• Weight: 6,940 kg

Applications

• Grinding precision external threads on shafts and screws
• Grinding internal threads in bores
• Thread grinding of hobs
• Grinding thread chasers and similar thread tools

Commercial Details

• Make: Matrix
• Model: 46
• Condition: Used
• Location: Navi Mumbai, Maharashtra, India
• Seller: A.K. Machine Traders

Frequently Asked Questions

• What thread pitches can it grind? It covers thread pitches of 0.42–305 mm.
• What size workpiece does it take? Up to 254 mm in diameter, 1,066 mm between centres and 1,041 mm grinding length.
• Can it grind internal threads? Yes, it processes internal diameters of 19–228 mm.
• What should I ask when enquiring? Ask for photos or video of the machine running under power, and whether an inspection can be arranged. Confirm which accessories, wheels, centres and collets are included, the condition of the electrics and controls, and the loading and shipping arrangements for a machine weighing 6,940 kg.