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
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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

41. HMT’S PRODUCTS