Double Sided Lapping Machine

materials tungsten, ceramics, steel, bronze, carbon, aluminium, cast iron, plastics, stainless steel, stellite
Surface finish 0.2µ Ra.
Parallelism 0.002mm over 75mmØ.

GMT Planetary Lapping Machines can lap both sides of a work piece simultaneously. As a consequence work pieces are processed efficiently without manual interruption and improved parallelism and acts as an surface finishing machine. This double sided lapping machine is ideal lapping tool for lapping silicon wafers and germanium wafers.GMT planetary lapping machines finds application in electronics, quartz, ceramics, semiconductor, surgical instruments and optical industries.Workpieces to be lapped are placed inside the work carriers. The work carriers are gear cut on the outer diameter and recessed to hold the component inside. Abrasive fluid is fed onto the lap plates continuously.The planetary lapping machines are ideally suited to lap thin, fragile materials like silicon and germanium wafers extensively used in electronic industries. Other materials made of tungsten, ceramics, steel, bronze, carbon, aluminium, cast iron, plastics, stainless steel, stellite, ferrite and alumina can also be lapped on these machines.

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Lapping Machines

GMT started manufacturing lapping & polishing machine in 1971. It was built for in-house use and until then hand lapping process was used for finishing surface plates. Critical parts for our workholding devices required a finishing and buffing machine. There was demand in the market for valve lapping and lapping plates. Since GMT had a captive ferrous foundry, castings for lap plate and lapping machine were easier to source. Since then GMT has become one of India's largest lapping machine manufacturers and suppliers with over 350 installations throughout India mainly to the valve and pump industry. When a buyer in Japan wanted a super finishing machine for lapping large granite plates, GMT designed and supplied a 3000mm dia flat lapping machine. Pump manufacturers, electronic industries, valve manufacturers, etc., have found a sure way of obtaining positive sealing.

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Lapping Machine

We are offering lapping machine (model no. : 06-03) has a 610, 900 and 1200mm diameter and are heavily ribbed and constructed on a solid fabricated structure. We pay special attention to the design of the main spindle bearings, giving great axial load capacity, maximum stability, durability and optimum performance, even under heavy loading. In addition, the lap plates are manufactured from close-grained alloy cast iron, stress relieved after pre-machining and finally finish-machined and lapped position. salient features

heavy duty structured steel with integrally mounted drive motor
gear reduction unit
abrasive pump
abrasive distribution system
complete with electrical control panel
stirrer motor
heavy duty work table
manually adjustable vertically
alloy cast iron serrated lap plate
three felt pads
reverse mechanism
removable drain container
main drive motor with gear reduction unit
three cast alloy pressure plates with eye bolts
wrenches, instruction manual
three adjustable conditioning rings with roller yoke assemblies
adjustable timer, tank, feeding system with adjustable flow control

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Lapping Machine

We are offering lapping machine. the lapping machine (model no. : 06-05) is a 1500, 1800 and 2100 mm diameter machine with massive with heavily ribbed fabricated bases. Large heavy duty roller bearings have been provided to take care of heavy and other radial loads. The drive is taken from the main motor through v belts, through a fluid coupling to ensure smooth working. The drive to the lap plate is through a heat-treated pinion and a high tensile spheroidal cast internal gear. In addition, variable speed drive for lap plate, reverse mechanism for conditioning ring is also supplied.

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Lapping Machine

We are offering lapping machine (model no. : 06-01) comes with 300mm and 400mm diameter and has a robust construction. In addition, the lap plate and conditioning rings are made from close-grained cast iron. salient features

heavy-duty steel fabricated housing
abrasive distribution system with pump
tank and infinitely variable flow control
cast alloy lap plate
radially serrated
three adjustable conditioning rings with yoke and bearing assemblies
automatic lapping cycle timer
drive unit
0.37 kw motor with gearbox
reverse mechanism
three pressure plates with lifting eyebolts
three felt pads

Specifications

Size	300
Lap plate OD mm	300
Cond. Ring ID mm	107
Length of machine (max.) mm	800
Width of machine (max.) mm	675
Height of machine (max.) mm	610
Lap plate speed rpm	48
Main motor kw/hp	0.37/0.5
Pump motor kw/hp	0.11/0.15
Timer range mts.	0-30
Stirrer motor kw/hp	-
No.of cond. rings	3
Hydraulic motor kw/hp	-
Standard power supply	415V / 3ph / 50Hz

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Lapping Machine

We are offering lapping machine (model no. : 06-02) is available with 300mm and 400mm diameter. Moreover, the lap plate and conditioning rings are made from close-grained cast iron. salient features

heavy-duty steel fabricated housing
abrasive distribution system with pump
tank and infinitely variable flow control
cast alloy lap plate
radially serrated
three adjustable conditioning rings with yoke and bearing assemblies
automatic lapping cycle timer
drive unit
0.37 kw motor with gearbox
reverse mechanism
three pressure plates with lifting eyebolts
three felt pads

View Complete Details

Ask Latest Price & Details

Lapping Machine

We are offering lapping machine (model no. : 06-03) has a 610, 900 and 1200mm diameter and are heavily ribbed and constructed on a solid fabricated structure. We pay special attention to the design of the main spindle bearings, giving great axial load capacity, maximum stability, durability and optimum performance, even under heavy loading. In addition, the lap plates are manufactured from close-grained alloy cast iron, stress relieved after pre-machining and finally finish-machined and lapped position. salient features

heavy duty structured steel with integrally mounted drive motor
gear reduction unit
abrasive pump
abrasive distribution system
complete with electrical control panel
stirrer motor
heavy duty work table
manually adjustable vertically
alloy cast iron serrated lap plate
three felt pads
reverse mechanism
removable drain container
main drive motor with gear reduction unit
three cast alloy pressure plates with eye bolts
wrenches, instruction manual
three adjustable conditioning rings with roller yoke assemblies
adjustable timer, tank, feeding system with adjustable flow control

View Complete Details

Ask Latest Price & Details

Lapping Machine

We are offering lapping machine (model no. : 06-05) comes with 610, 900 and 1200mm diameter and are heavily ribbed and constructed on a solid fabricated structure. We pay special attention to the design of the main spindle bearings, giving great axial load capacity, maximum stability, durability and optimum performance, even under heavy loading. In addition, the lap plates are manufactured from close-grained alloy cast iron, stress relieved after pre-machining and finally finish-machined and lapped position. salient features

heavy duty structured steel with integrally mounted drive motor
gear reduction unit
abrasive pump
abrasive distribution system
complete with electrical control panel
stirrer motor
heavy duty work table
manually adjustable vertically
alloy cast iron serrated lap plate
three felt pads
reverse mechanism
removable drain container
main drive motor with gear reduction unit
three cast alloy pressure plates with eye bolts
wrenches, instruction manual
three adjustable conditioning rings with roller yoke assemblies
adjustable timer, tank, feeding system with adjustable flow control

View Complete Details

Ask Latest Price & Details

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