HVTL employs State-Of-The-Art technology and processes
for manufacturing all major Gears and transmission Shafts. Components manufactured
in-house include Spur & Helical Gears, Synchronizers, Drive shafts and other splined
and Stepped transmission shafts besides Gear Box casing and covers.
Infrastructure for design and proving of jigs & fixture through
well-equipped Tool-Room, Eco-Friendly modern Heat Treatment, and a self sustained
Metrology Laboratory support business needs and match customers’ expectations. The
company has the capability to bring together world-class products & services with
creative and innovative support, based on extensive process engineering expertise.
HVTL has proven skills for manufacturing of Gear-boxes from component
level to assembly and testing under load.
Our factory has a total of 370 machines comprising a mix of Special
Purpose Machines, General Purpose Machines and CNC machines, which are capable of carrying
out a wide variety of operations . A cross-section of the machines in operation at HVTL
are :
| • |
CNC
Gear Shaping Machines |
• |
CNC Spline Milling
Machines |
| • |
CNC
Gear Hobbing Machines |
• |
Broaching machines |
| • |
Dach
Chamfering Machines |
• |
Tooth Rounding Machines |
| • |
Horizontal
& Vertical Machining Centers |
• |
Gear Swaging Machine |
| • |
CNC
Drilling Center |
• |
CNC Hard Turning
Machines |
| • |
CNC
Twin Spindle Bore and Face Grinder |
• |
CNC Single Spindle Bore
and Face Grinder |
| • |
CNC
Angular Wheel Head Grinder |
• |
Gear Honing Machines |
| • |
Super
Finishing Machines |
• |
Induction Hardening Machines. |
Assembly operations are facilitated by dedicated moving conveyors and
final products are tested in simulated load condition before final dispatch.
Heat Treatment
A full fledged Heat Treatment shop with State-Of-The-Art environment
friendly technology supports our manufacturing operations. Throughput time for processing
components in Heat Treatment shop : 32 hours
| a. |
Continuous
Carburising & Hardening Furnaces
| • |
3 nos. 400 Kg./ Hr output |
| • |
5 nos. 50 Kg./ Hr output |
| • |
Cycle time of 400 kg CCH furnace : 15 min/cycle |
| • |
Capacity: 8640 Tons/Year |
| • |
Cycle time for 50 kg CCH furnace : 30 min/cycle |
| • |
Capacity: 1800 Tons/Year |
|
| b. |
Endo Gas Generator –
| • |
7 nos. (Wesman make) , |
| • |
2 nos.( Acme make) |
|
c. |
Seal Quench
Furnaces – 8 nos. ( Under commissioning) |
| d. |
Tempering furnaces |
e. |
Press and
plug quenching facilities |
| f. |
Cyanide
Baths |
g. |
Electroplating equipment |
Products processed in Heat Treatment are:
| 1. |
Gear box components : Speed gears, Main shaft, Counter shaft gears, Counter
shaft and Drive shafts |
2. |
Steering
worm and nuts |
| 3. |
Axle
components : Crown wheels, Axle shaft gears, pinions, bevel gears |
4. |
Tools and fixture components |
Tool Room & Tool Regrinding
HVTL has a well equipped tool-room to produce both high precision &
general tool room jobs within shortest possible lead times.
Our Tool Room is well equipped with
| • |
Jig
Boring (2 M/cs) |
• |
Turning Section (15
M/cs) |
| • |
Milling
Section ( 17 M/cs) |
• |
Grinding Section ( 8
M/cs ) |
| • |
Welding & Brazing
Section. |
|
|
The above facilities are manned by highly skilled manpower with
requisite experience.
The Tool Room is capable of
| • |
Precision
Jigs & Fixtures for Manufacturing. |
• |
Precision Inspection
Fixtures. |
| • |
Welding
Fixtures. |
• |
Precision & General
Machine components. |
| • |
Job
Order Gears. |
• |
Prototype Components. |
| • |
Special
gauges. |
• |
Rectification jobs. |
| • |
Tool Holders. |
• |
Inductors. |
Our Tool Re-grinding section is self sustained with a wide variety of
sophisticated machines which includes a CNC Hurth Shaver Regrinder & a WIDMA 5-axis
Tool & Cutter Grinder.
Our capabilities pertaining to regrinding operations includes:
| • |
Hobs |
• |
Shaving Cutters |
| • |
Shapers |
• |
Spline Milling Cutters |
| • |
Broach
regrinding and setting |
• |
Milling
cutters/drills/reamers. |
| • |
Form milling cutters |
|
|
Quality infrastructure at M/s HV Transmissions
Ltd.
HVTL is a TS 16949 certified company and extensively uses Six sigma
methodology of Define, Measure, Analyse, Improve and Control used along with its
associated analytical and statistical tools for driving improvements on all critical to
quality parameters derived from external customer requirements.
Salient features of our quality assurance system are outlined below
| • |
Emphasis
on customer relationship management through intensive interactions at all levels. |
• |
Continuos improvement
as its core focus driven by cost quality and delivery requirements of customers. |
| • |
Modeled on APQP
(Advanced Product Quality planning procedure of QS 9000) and ensures defect free product
introduction. |
• |
Kaizen is used extensively for productivity improvement and cycle time
reduction. |
HVTL aims for exceptional quality standards to succeed in the sphere of
it's product and services quality.
Each test is performed to rigid procedures, which are aimed at
integrating a life-time of actual operation into a realistic test window.
All inspections are carried out in accordance with documented
specification quality plan and control using the latest Metrology Equipment. Some of them
are listed below:
| 1. |
M & M
Gear Analyser |
2. |
Zeiss Co-ordinate Measuring Machine |
Besides HVTL extensively uses in-process gauging, Pneumatic gauging and
special gauging as per the process requirement across the plant to ensure product quality
at all points.
Quality for us is more than mere conformance to laid down quality
norms, specifications and documented procedures.
It's a way of life and quest to achieve excellence in all areas of
performance |
