Robur International

Conventional universal precision lathes
MCM Handy

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

This machine is particularly in demand for processing flat large diameter workpieces (flanges, disks, etc.) weighing up to 1500 kg.

Advantages:

  • Double mechanical clutch
  • Electromagnetic brake
  • Rapid feeds
  • Protected longitudinal guideways
  • Natural gap
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.

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.

Machine bed with a natural gap

Normally, when using a recess in the machine bed, for example, when dealing with large-sized flanges, it is necessary to remove the bridge and set it back after the operation (during installation, there is always formed a small error). The HANDY Series machines do not require this procedure. The machine bed is made with a natural gap that can handle large-diameter flanges avoiding the inconveniences of removing/replacing the bridge.

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".

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.

 
Specifications HANDY 210 HANDY 250 HANDY 280 HANDY 330
Diameter over bed, mm 420 500 560 660
Diameter over carriage, mm 230 310 370 470
Distance between guiding rails, mm 400 400 400 400
Power S6/S1 (OPT), kW 5,6 7,5 7,5 9,5
Spindle hole diameter (OPT), mm 80 80 102 102
Number of guides 2 2 2 2
Maximal grinding surface length, mm 1500 1500 1500 1500
Distance between centers, m 1.5 / 2.2 1 / 1.5 / 2.2 1 / 1.5 / 2.2 1 / 1.5 / 2.2
 
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.

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.

Machine bed with a natural gap

Normally, when using a recess in the machine bed, for example, when dealing with large-sized flanges, it is necessary to remove the bridge and set it back after the operation (during installation, there is always formed a small error). The HANDY Series machines do not require this procedure. The machine bed is made with a natural gap that can handle large-diameter flanges avoiding the inconveniences of removing/replacing the bridge.

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".

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.

Show more 4
Specifications
Information available
in full version
Lineup
HANDY 210
420 Diameter over bed, mm
400 Distance between guiding rails, mm
5,6 Power S6/S1 (OPT), kW
HANDY 250
500 Diameter over bed, mm
400 Distance between guiding rails, mm
7,5 Power S6/S1 (OPT), kW
HANDY 280
560 Diameter over bed, mm
400 Distance between guiding rails, mm
7,5 Power S6/S1 (OPT), kW
HANDY 330
660 Diameter over bed, mm
400 Distance between guiding rails, mm
9,5 Power S6/S1 (OPT), kW
Lineup (4)
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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