Robur International

Conventional universal precision lathes
MCM TC HEAVY

Product rating
5
/5
Precision and repeatability
5
/5
Construction quality
5
/5
Reliability
4
/5
Price (Budget)
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Description

This model is designed to process large parts with up to 12 meters length and weighing up to 5 tons.

Advantages:

  • A monolithic machine bed
  • Inverter-adjustable spindle speed
  • Bed width – 600 mm
  • Mechanized small tool posts
  • Maximum admitted weight 5000 kg
  • Rapid feeds
Design features
Specifications

Headstock

Headstock is made as a ribbed cast monoblock that guarantees rigidity and vibration resistance even in very difficult working conditions when it is worked on heavy-duty cutting mode. It is equipped with a transmission that provides the spindle rotation in one of 24 gears positioned in the order of exponential growth. All gears and shafts are made of high-quality NiCrMo strengthened, hardened and grinded steel. An integrated pump provides guaranteed lubrication. Transmission of direct and reverse rotation works via a special clutch brake (BARUFFALDI); an electromagnetic brake system stops the equipment.

Spindle

Spindle is made of high-quality NiCrMo strengthened, hardened and grinded steel. The spindle design includes tapered precision roller bearings TIMKEN/SKF. Spindle couplings – CAM-LOCK 8".Fully enclosed gearbox with lubrication in an oil bath.
Gears and shafts are made of high quality steel. Enables cutting of metric threads, Whitworth thread, module thread, diametral pitch, and English thread.

Carriage

The carriage has an optimal working surface size that ensures stability within operational processes. Guideway screws are mounted on thrust bearings. The screw of cross-feed of the carriage has a clearance adjustment. All carriages are located on their own guideways. A conical clamping plate guarantees additional adjustment to the transverse moves of the carriage and the toolholder. Any accessory can be mounted on the device using the T-slots. Large vernier scales enable easy data reading and allow taking full advantage of the extraordinary versatility and precision of this equipment. Lubrication is carried out using a hand pump.

Apron

The apron is made as a monolithic block, which houses all the control elements of the longitudinal and transverse feeding and threading. Mechanical locking prevents simultaneous activation of both turning and threading operational modes. A well-positioned vernier scale provides easy access to data reading. For lubrication, oil bath lubrication method is applied.

 

Tailstock

The tailstock is of sufficiently large size and equipped with sleeves made of high-quality NiCr strengthened, hardened and grinded steel. The flywheel is equipped with a large vernier scale for direct reading of information on the movement. The tailstock is moved along the frame by means of a flywheel and a rack-and-pinion gear.

 

 
Specifications TC HEAVY 400 TC HEAVY 500 TC HEAVY 600
Diameter over bed, mm 800 1000 1200
Diameter over carriage, mm 500 700 850
Distance between guiding rails, mm 600 600 600
Power S6/S1 (OPT), kW 15 18,5 18,5
Spindle hole diameter (OPT), mm 100 100 100
Number of guides 2 2 2
Maximal grinding surface length, mm 5000 5000 5000
Distance between centers, m 1 / 1,5 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 1 / 1,5 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 1 / 1,5 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12
 
Design features

Headstock

Headstock is made as a ribbed cast monoblock that guarantees rigidity and vibration resistance even in very difficult working conditions when it is worked on heavy-duty cutting mode. It is equipped with a transmission that provides the spindle rotation in one of 24 gears positioned in the order of exponential growth. All gears and shafts are made of high-quality NiCrMo strengthened, hardened and grinded steel. An integrated pump provides guaranteed lubrication. Transmission of direct and reverse rotation works via a special clutch brake (BARUFFALDI); an electromagnetic brake system stops the equipment.

Spindle

Spindle is made of high-quality NiCrMo strengthened, hardened and grinded steel. The spindle design includes tapered precision roller bearings TIMKEN/SKF. Spindle couplings – CAM-LOCK 8".Fully enclosed gearbox with lubrication in an oil bath.
Gears and shafts are made of high quality steel. Enables cutting of metric threads, Whitworth thread, module thread, diametral pitch, and English thread.

Carriage

The carriage has an optimal working surface size that ensures stability within operational processes. Guideway screws are mounted on thrust bearings. The screw of cross-feed of the carriage has a clearance adjustment. All carriages are located on their own guideways. A conical clamping plate guarantees additional adjustment to the transverse moves of the carriage and the toolholder. Any accessory can be mounted on the device using the T-slots. Large vernier scales enable easy data reading and allow taking full advantage of the extraordinary versatility and precision of this equipment. Lubrication is carried out using a hand pump.

Apron

The apron is made as a monolithic block, which houses all the control elements of the longitudinal and transverse feeding and threading. Mechanical locking prevents simultaneous activation of both turning and threading operational modes. A well-positioned vernier scale provides easy access to data reading. For lubrication, oil bath lubrication method is applied.

 

Tailstock

The tailstock is of sufficiently large size and equipped with sleeves made of high-quality NiCr strengthened, hardened and grinded steel. The flywheel is equipped with a large vernier scale for direct reading of information on the movement. The tailstock is moved along the frame by means of a flywheel and a rack-and-pinion gear.

 

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Specifications
Information available
in full version
Lineup
TC HEAVY 400
800 Diameter over bed, mm
600 Distance between guiding rails, mm
15 Power S6/S1 (OPT), kW
TC HEAVY 500
1000 Diameter over bed, mm
600 Distance between guiding rails, mm
18,5 Power S6/S1 (OPT), kW
TC HEAVY 600
1200 Diameter over bed, mm
600 Distance between guiding rails, mm
18,5 Power S6/S1 (OPT), kW
Lineup (3)
Supplier
Since its beginning, the M.C.M. Madar company has been characterized by high versatility and by its capacity to “read” the market and always satisfy new arising customers’ requirements in the world of turning.
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