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Summer Traning Presentation
on HMT Machine Tools Ltd.

SUBMITTED TO:
Department of
Mechanical Engg.
Bhagwant University,
Ajmer (Raj.)

SUBMITTED BY:
Ashu Ranjan
B.Tech (Mechanical
Engg.)
About HMT
 Established in 1953.
HMT Machine Tools Ltd was formed as a wholly owned
subsidiary of HMT Limited in August 1999.
Over the years diversified into Watches, Tractors,
Printing Machinery, Metal Forming Presses, Die Casting &
Plastic Processing Machinery, CNC Systems & Bearings.

Manufactured and supplied over 100,000 machines till
date for domestic market.
Exported over 18,000 machines.
HMT,AJMER
 HMT AJMER PLANT WAS ORIGNALLY

ESTABLISHED AS “MACHINE CORPORATION
OF INDIA LIMITED”
IN JANUARY1967.
 THIS UNIT WAS SUBSEQUENTLY
MERGED WITH HMT LIMITED ON
1 APRIL,1975.
HMT UNITS IN INDIA
 Topics to be Covered
 Part Design
 Tooling Design
 Machine
Departments
•MACHINE TOOL DEPARTMENT
•TRACTOR DEPARTMENT

•FOUNDRY DEPARTMENT
•MAINTENANCE DEPARTMENT
•ASSEMBLE DEPARTMENT
Machine Tools

Machine Tools
Departments

Heavy Parts
& Tool
Room

Small Parts

Pattern &
Material
Testing

Cnc
Assembly
Tractor Hydraulic
 It is a system which used to lift the weight using the










pressurized hydraulic oil.
The important component of the system are following:Hosing
Distributer
Main shaft
Torsion shaft
Draft tube
Lever with cam
Cylinder piston and connecting rod
Pattern Shop
PATTERN:- PATTERN IS SIMPLY THE REPLICA OF THE
DESIRED CASTING.
Commonly Used Pattern
Materials
1 . WOOD
2 . METAL (ALUMINIUM, CAST

IRON, BRONZE)
3 . THERMOCOL
4 . RUBBER
Types of Patterns Used
 Match Plate Pattern

 Cope and Drag Pattern
 Loose Piece Pattern
 Gated Pattern

 Skeleton Pattern
 Shell Pattern
Types of Patterns Used

 Loose Piece Pattern

 Gated Pattern
Foundry Shop
Foundry is a shop where metal is
melted for casting purpose. The
melted metal is poured into the
mold and left for sometime for
solidification.
HMT has 2 furnaces, One of 5T
And other of 3T capacity .
All furnaces are induction type & temperature in the furnaces
reaches up to 1400-1450˚C.
Casting
In this process, a liquid
material is usually poured
into a mould, which contains
a hollow cavity of the
desired shape, and then
allowed to solidify.
Small Parts
The section is primarily concerned with the manufacturer of small
parts of machine tools. The section is further divided into six
subsections.

Spindle Section

Round Section

Turret Section

Gear Section

Non Round Section

Sheet Metal Section
Heavy Parts
 It is the shop which gives the shape to the largest castings

which comes from the foundry shop after being painted
rough.
This Section is divided into two sub-sections:
1. Planning

Planning: In this section, the job
planning is one of the basic
operations done for machining
process.
The figure shows Planning
operation on a CNC bed by
Plano-Milling Machine.

2. Boring
Boring: Boring is the operation
of enlarging an already drilled
hole. The holes are predrilled as
in casting only.
Plano milling machine
This is similar to a double housing planer but the tool can
be milling tool. One of the machines is TNC (three axis
turning centre) in which only one axis can be moved at a
time. Thus round jobs cannot b machined here.
Another machine is CNC in which two axis can be
moved simultaneously to machine round job. The length of
the bed is 2800mm.
Maintenance shop
 Type of Maintenance:

Break-down
Preventive
Reconditioning
 Importance of Maintenance:
To maintain the accuracy of machine.
For the safety of operator.
To maintain the efficiency of machine.
CNC TRAIN MASTER MACHINING CENTRE
An economical and
VMC 200T PC

user-friendly PC based system to
meet training requirements in
CNC machine tools operation &
programming

Table size

mm

420x125

Max. job weight

kg

20

Axes travel – Longitudinal

mm

200

Axes travel – Cross

mm

125

Axes travel – Vertical

mm

200

Spindle motor

kW

0.44 DC

Feed rate

mm/min

2-550

Rapid traverse rate

mm/min

700

Feed rate

mm/min

2-550

Spindle taper
Spindle speed range (stepless)

ISO 30
rpm

200-2000
CNC TRAIN MASTER MACHINING CENTRE VMC 200T
PC:-

 An economical and user-friendly PC based system specially designed to train
operators, technicians and engineers in CNC machine tools operation and
programming.
 Compact table top mounted model most ideal for training institutes & technical
institutes.
 3-Axis continuous path CNC system.
 Manual tool changing with CNC prompting.
 Stepless DC drive with RPM and load indication for headstock.
 Hardened and ground spindle runs in precision antifriction bearings.
 PC Based economical CNC system best suited to educational institutions.
 Recirculating ballscrew and nut arrangement for longitudinal axis.
CNC Assembly
Computerized Numerical Control
Conventionally, an operator decides and adjusts various machines
parameters like feed , depth of cut etc depending on type of job , and
controls the slide movements by hand. In a CNC Machine functions and
slide movements are controlled by motors using computer programs.
Various CNC machines produced in HMT Ajmer unit are: GDS-15/22, GC175/225 ,GCL-140/200,IG-100/150 etc.
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
CNC Machine Tool Assembly
HMT’S PRODUCTS
PPT on HMT Ajmer (Mechanical Dept.)

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PPT on HMT Ajmer (Mechanical Dept.)

  • 1. Summer Traning Presentation on HMT Machine Tools Ltd. SUBMITTED TO: Department of Mechanical Engg. Bhagwant University, Ajmer (Raj.) SUBMITTED BY: Ashu Ranjan B.Tech (Mechanical Engg.)
  • 2. About HMT  Established in 1953. HMT Machine Tools Ltd was formed as a wholly owned subsidiary of HMT Limited in August 1999. Over the years diversified into Watches, Tractors, Printing Machinery, Metal Forming Presses, Die Casting & Plastic Processing Machinery, CNC Systems & Bearings. Manufactured and supplied over 100,000 machines till date for domestic market. Exported over 18,000 machines.
  • 3. HMT,AJMER  HMT AJMER PLANT WAS ORIGNALLY ESTABLISHED AS “MACHINE CORPORATION OF INDIA LIMITED” IN JANUARY1967.  THIS UNIT WAS SUBSEQUENTLY MERGED WITH HMT LIMITED ON 1 APRIL,1975.
  • 4. HMT UNITS IN INDIA  Topics to be Covered  Part Design  Tooling Design  Machine
  • 5. Departments •MACHINE TOOL DEPARTMENT •TRACTOR DEPARTMENT •FOUNDRY DEPARTMENT •MAINTENANCE DEPARTMENT •ASSEMBLE DEPARTMENT
  • 6. Machine Tools Machine Tools Departments Heavy Parts & Tool Room Small Parts Pattern & Material Testing Cnc Assembly
  • 7. Tractor Hydraulic  It is a system which used to lift the weight using the         pressurized hydraulic oil. The important component of the system are following:Hosing Distributer Main shaft Torsion shaft Draft tube Lever with cam Cylinder piston and connecting rod
  • 8. Pattern Shop PATTERN:- PATTERN IS SIMPLY THE REPLICA OF THE DESIRED CASTING.
  • 9. Commonly Used Pattern Materials 1 . WOOD 2 . METAL (ALUMINIUM, CAST IRON, BRONZE) 3 . THERMOCOL 4 . RUBBER
  • 10. Types of Patterns Used  Match Plate Pattern  Cope and Drag Pattern  Loose Piece Pattern  Gated Pattern  Skeleton Pattern  Shell Pattern
  • 11. Types of Patterns Used  Loose Piece Pattern  Gated Pattern
  • 12. Foundry Shop Foundry is a shop where metal is melted for casting purpose. The melted metal is poured into the mold and left for sometime for solidification. HMT has 2 furnaces, One of 5T And other of 3T capacity . All furnaces are induction type & temperature in the furnaces reaches up to 1400-1450˚C.
  • 13. Casting In this process, a liquid material is usually poured into a mould, which contains a hollow cavity of the desired shape, and then allowed to solidify.
  • 14. Small Parts The section is primarily concerned with the manufacturer of small parts of machine tools. The section is further divided into six subsections. Spindle Section Round Section Turret Section Gear Section Non Round Section Sheet Metal Section
  • 15. Heavy Parts  It is the shop which gives the shape to the largest castings which comes from the foundry shop after being painted rough. This Section is divided into two sub-sections: 1. Planning Planning: In this section, the job planning is one of the basic operations done for machining process. The figure shows Planning operation on a CNC bed by Plano-Milling Machine. 2. Boring
  • 16. Boring: Boring is the operation of enlarging an already drilled hole. The holes are predrilled as in casting only.
  • 17. Plano milling machine This is similar to a double housing planer but the tool can be milling tool. One of the machines is TNC (three axis turning centre) in which only one axis can be moved at a time. Thus round jobs cannot b machined here. Another machine is CNC in which two axis can be moved simultaneously to machine round job. The length of the bed is 2800mm.
  • 18. Maintenance shop  Type of Maintenance: Break-down Preventive Reconditioning  Importance of Maintenance: To maintain the accuracy of machine. For the safety of operator. To maintain the efficiency of machine.
  • 19. CNC TRAIN MASTER MACHINING CENTRE An economical and VMC 200T PC user-friendly PC based system to meet training requirements in CNC machine tools operation & programming Table size mm 420x125 Max. job weight kg 20 Axes travel – Longitudinal mm 200 Axes travel – Cross mm 125 Axes travel – Vertical mm 200 Spindle motor kW 0.44 DC Feed rate mm/min 2-550 Rapid traverse rate mm/min 700 Feed rate mm/min 2-550 Spindle taper Spindle speed range (stepless) ISO 30 rpm 200-2000
  • 20. CNC TRAIN MASTER MACHINING CENTRE VMC 200T PC:-  An economical and user-friendly PC based system specially designed to train operators, technicians and engineers in CNC machine tools operation and programming.  Compact table top mounted model most ideal for training institutes & technical institutes.  3-Axis continuous path CNC system.  Manual tool changing with CNC prompting.  Stepless DC drive with RPM and load indication for headstock.  Hardened and ground spindle runs in precision antifriction bearings.  PC Based economical CNC system best suited to educational institutions.  Recirculating ballscrew and nut arrangement for longitudinal axis.
  • 21. CNC Assembly Computerized Numerical Control Conventionally, an operator decides and adjusts various machines parameters like feed , depth of cut etc depending on type of job , and controls the slide movements by hand. In a CNC Machine functions and slide movements are controlled by motors using computer programs. Various CNC machines produced in HMT Ajmer unit are: GDS-15/22, GC175/225 ,GCL-140/200,IG-100/150 etc.
  • 22. CNC Machine Tool Assembly
  • 23. CNC Machine Tool Assembly
  • 24. CNC Machine Tool Assembly
  • 25. CNC Machine Tool Assembly
  • 26. CNC Machine Tool Assembly
  • 27. CNC Machine Tool Assembly
  • 28. CNC Machine Tool Assembly
  • 29. CNC Machine Tool Assembly
  • 30. CNC Machine Tool Assembly
  • 31. CNC Machine Tool Assembly
  • 32. CNC Machine Tool Assembly
  • 33. CNC Machine Tool Assembly
  • 34. CNC Machine Tool Assembly
  • 35. CNC Machine Tool Assembly
  • 36. CNC Machine Tool Assembly
  • 37. CNC Machine Tool Assembly
  • 38. CNC Machine Tool Assembly
  • 39. CNC Machine Tool Assembly
  • 40. CNC Machine Tool Assembly