Precision Machine Tool

Specifications :

• X & Z Axis with 1 spindle CNC Grinding Machine.
• Dia. 40mm C1 class ground ball screw – (THK Make) on both axis.
• Marpose Automatic on line in-process gauge with "Rexroth" hydraulic power pack unit.
• Marpose on line Automatic Grinding Wheel Auto Balancer.
• Grinding Wheel Size: - OD – 650mm, ID – 254mm, Thick – 100mm.
• Grinding Machine Cutting Speed: - 35 m/sec.
• Power: - Work head – 2HP
  •  
    Wheel head – 7.5HP
    Hydraulic – 1 HP
    Coolant – 0.16HP
• No. of CNC axis and spindle - 2 axis and 1 spindle
• Centre height: 150
• Swing over table: 280
• Maximum grinding Length: 1000
• Distance between Centre: 1000
• CNC System: Latest version FANUC
• Table ( Z Axis )
• Rapid Feed Rate - 5000-8000 mm/min
• Feed motor torque - 7.5 with absolute encoders
• Mini incremental feed - 0.001 mm
• Maximum table swivel - Deg -2+7
• Positioning Accuracy/ Repeatability: 0.001 mm

Cross Slide (X Axis) :

• Rapid Feed Rate - 5000-8000 mm/min
• In-feed stroke - 100 mm
• Mini incremental feed - 0.001 mm
• maximum grinding travel - 100 mm
• Positioning Accuracy/ Repeatability: 0.001 mm
• Feed motor torque – 8nm with absolute encoders

Grinding Wheel Head :

• Grinding Wheel OD x Width - 650 X 100 mm
• Grinding Wheel Size: ID - 254 mm
• Wheel Speed - 1200/1400
• Wheel Surface speed - 35-45 m/sec
• Swivel: - ± 30??

Work Head :

• Speed Range -20-350 (with CSS feature)
• Spindle nose taper – 4/5 MT
• Spindle draw bar Diameter - 16 mm
• Swivelling Range: -30?? to +45??

Tailstock :

• Tailstock Centre - 5 MT
• Quill Stroke - 25 mm
• Ram traverse - 20 mm
• Hydraulic Actuation (On demand)

Coolant :

• Capacity – 200 Ltr.
• Magnetic coolant clarifier Unit with Paper band filtration system
• Power:- 0.5 HP

Additional Information:

• Item Code: PMTCNC
• Production Capacity: 3 nos. per month
• Delivery Time: 2 months
• Packaging Details: Wooden base plate & complete wooden box packing (extra cost)

Features:

• SINGLE AXIS PLC CYLINDRICAL GRINDING MACHINE
• In-feed slide feed with AC servo motor, Precision ground ball screw & nut fitted with imported coupling for zero backlash.
• Work speed is infinitely variable through 3 Phase VFD & safety interlocks.
• Separate electrical control panel board & hydraulic power pack unit for easy operate & maintain.
• Paper band cum magnetic filtration system available optionally.Manual Pulse Generator – MPG hand wheel for in-feed.
• Main movable slide is hydraulically operated by precision racj & pinion.
• In-feed slide is fitted with High Precision imported ground ball screw.

• NC Cylindrical Grinders (Angular) are new generation 'state-of-art technology' machines, suitable for mass & batch production of components.
• These Machines offer cost effective grinding solution with high precision.
• Assured long service life of the machine, along with ease of maintenance are the highlights.

• Simultaneous control of 2 axes and 1 spindle (work head) through CNC
• Cartridge type grinding wheel spindle having anti-friction bearings & with 45 m/s cutting speed
• CNC controlled constant surface speed(CSS) of work piece & Gr. Wheel

OPTIONAL SYSTEMS: In-Process Gauge, Flagging Device, Automatic Wheel Balancing System, Gap & Crash Control System

AUTOMATION / COMPONENT HANDLING OPTIONS: Robotic pick and place loading system or Auto loader Gantry

Additional Information:

• Production Capacity: 3 Months
• Delivery Time: 3 Months
• Packaging Details: wooden base plate

STANDARD FEATURES: -

Ø  The heavily ribbed one piece box-type base is made of meehanite casting, providing excellent rigidity to ensure machine stability, optimum distance between the guide ways offers excellent table support to increase Z axis positioning accuracy and repeatability.

Ø  Dead centre mode & rotating mode type work head with infinitely variable speed through controller.

Ø  Simultaneous control of 2 Axes through CNC controller.

Ø  Machine can be programmed for operations like Plunge and Traverse grinding in one setup.

Ø  Machine with Angular wheel configuration for automatic OD & Face Grinding Operation.

Ø  Precision ball screws directly coupled to Digital AC Servo motors on X & Z axes.

Ø  Automatic programmable Centralized lubrication system.

Ø  Safety switches for maintenance work.

Ø  Coolant unit should be ergonomically arranged having 0.1 hp motor.

Ø  Imported ground C3 class ball screw for both the slide and coupled with imported coupling.

Ø  Both the double V and flat guide ways are hand scraped and Turcite B coated to prevent stick – slip motion, utilized an automatic lubrication system, precision ball screw, AC servo motor.

Ø  This combination allows movement of the wheel head which delivers a longer way life with superior positioning accuracy and repeatability.

Ø  Tail stock mounted diamond dresser with CNC Controlled dressing.

Ø  The enlarge and properly drainage troughs under the wheel head base help to control thermal growth and provides the rapid coolant drainage needed during heavy grinding cycle.

Ø  Slide ways, ball screws and spindle are continuously lubricated by an auto-lube system to ensure long service life and maintain maximum accuracy.

Ø  In addition automatic wheel dressing cycle including wheel wear compensation reduces the need for operator skill and attention.

Ø  Graphic simulation and dry run modes are provided with the machine.

Additional Information:

• Item Code: PMTCNC1
• Production Capacity: 1 no.s per 2 months
• Delivery Time: 2 months
• Packaging Details: Wooden

MACHINE FEATURES: -

1. The machine has one piece seasoned bed, close grained and graded cast iron box structure design heavily reinforced with ribs provided high rigidity and stability.
2. The machine had large prismatic guideways of V-flat construction & carefully hand scrapped to ensure high accuracy complied to IS & ISO specifications.
3. Main moveable slide is hydraulically operated by reputed hydraulic cylinder.
4. In-feed slide is fitted with high precision imported Ground ball screw, servo motor & coupling  for perfect repetitive accuracy.

5.      TURCITE –B slide way coated on both moveable slides to prevent stick slip motion.

1. Automatic lubrication on main moveable slide by flow control valve.
2. Separate hydraulic power pack unit fitted with 24v D.C Valve but without Enclo – 68 Oil.
3. Separate electrical control penal board having all reputed components.
4. Machine is tested as per IS 2368 & ISO 2433.
5. Heavy duty & more rigid precise lever operated tailstock having 25 mm traverses.
6. Electrical equipment Suitable for 415 volts +5% 50 Cycles + 3%, AC Supply.
7. Machine weight: 2400 Kgs. Approx.

STANDARD ACCESSORIES WITH THE MACHINE: -

1.      One grinding wheel fitted on.

2.      All electrical motors and coolant pump are reputed make.

3.      Hardened MT – 4 and MT – 4 half centre.

4.      Complete hydraulic power pack unit fitted outside of the machine. (Without hyd. oil).

5.      Complete coolant tank with pump & piping. (Without cutting oil).

6.      Coolant splash guards.

7.      Operating manual with machine test certificate & IS test charts.

8.      Wheel puller with extracting nut.

9.      Straight dressing device with diamond.

10.  Spanner for open the grinding wheel.

11.  Fix spanner set.

Additional Information:

• Item Code: PMTHD
• Production Capacity: 1 nos. per 2 months
• Delivery Time: 2 months
• Packaging Details: wooden

• High accuracy
• Strong rigidity
• High grinding efficiency
• Ease of operation

• Auto in-feed at table reversal
• Micro feed attachment for in-feed slide
• fine feed attachment for face grinding.
• Available with Internal grinding attachment.

Additional Information:

• Item Code: PMTHDCG
• Production Capacity: 1 Nos. per 2 Months
• Delivery Time: 2 Months
• Packaging Details: Wooden Base Plate Packing

Additional Information:

• Item Code: PMTSAPLC
• Production Capacity: 1 nos. per 2 months
• Delivery Time: 2 Months
• Packaging Details: wooden base plate packing

Additional Information:

• Production Capacity: 3 nos. per month
• Delivery Time: 1 month
• Packaging Details: optional

ABC – 600MM X 150 CH HEAVY DUTY AUTO IN-FEED CYLINDRICAL GRINDING MACHINE

MACHINE SPECIFICATIONS & FEATURES: 

1.     Admit between Centers: 600mm

2.     Center Height: 150mm

3.     One Piece bed having 25 grade CI Cast Iron Casting.

4.     THK make LM Guide ways fitted on in-feed slide.

5.     THK Make Ground C1 Class ball screw

6.     Automatic in-feed cycle – Rough-Corse-Fine-Spark out & Auto retraction

7.     Manually in-feed is also available – 0.001mm

8.     Manually rough in – feed – 0.01mm

9.     0.001mm DRO for in-feed slide

10.   Table swivel: +10°  /  -3°

11.  Wheel head swivel: ± 60°

12.  Grinding wheel size: Ø400 x 40mm thick x 127 mm ID

13.  Magnetic coolant clarifier unit with 150 Ltr. Coolant tank & pump

14.  All electric motors are SIEMENs make.

15. Separate Hydraulic Power pack unit with REXROTH make DC Valve & 60 Ltr. Oil tank capacity

16.  Internal Grinding Attachment with Ø60 X 250 X 20,000 RPM high Precision Spindle with imported endless flat belt & dynamic balanced pulley.

17.  Turcite slide way coated on main movable slide.

18.   Machine weight: 2800 Kgs.

19.   Machine Accuracy: 0.005mm

20.  Machine is tested as per IS: 2368 & ISO : 2433

• Main Slide is hydraulically operated by reputed Hydraulic cylinders.
• Wheel head having spherical clearance adjustable white metal bush bearings.
• Hardened and ground feed screw for perfect repeat accuracy.
• Automatic lubrication on the main movable slide by flow control valve.
• An inbuilt electrical control panel board having all reputed components.
• Simple coolant tank with Pump and piping.
• Turcite B slide way coated on both moveable slides to prevent stick-slip motion.

• The main Moveable slide is hydraulically operated by reputed Hydraulic Cylinder.
• Wheel head having high precision clearance adjustable white metal bush bearings.
• Hardened and profile ground feed screw for perfect repeat accuracy.
• Automatic Lubrication on a main movable slide by flow control valve.
• Inbuilt Electrical control penal board having all reputed component
• Simple coolant tank with Pump and piping.
• Turcite B slide way coated on both moveable slides to prevent stick-slip motion.

• Compact structure.
• Component structure is reasonable.
• The body is highly rigid.
• High precision.
• Convenient operation and maintenance

• Main Slide is Hydraulically operated by Reputed Hydraulic Cylinders.
• Wheel Head Having clearance adjustable white metal bush Bearing.
• Hardened and ground feed screw and cash hardened Feed Shaft for perfect repeat accuracy.
• Automatic lubrication on the main movable slide by flow control valve.
• An inbuilt electrical control panel board having all reputed components.
• Simple coolant tank with pump and piping.
• Wheel Puller Set, Allen Key set, Fix Spanner set and all electrical motors are provided with the machine.

• One piece bed made of high grade cast iron casting provided with strong ribs for rigidity and a large inverted prismatic guide and wide track for the table.
• The main Movable slide is hydraulically operated by a reputed hydraulic cylinder.
• •Heavy duty work head having high precision clearance adjustable Bronze metal taper bush bearings for higher load carrying capacity and accuracy as per IS specification.
• Hardened and precision ground feed screw for perfect repeat accuracy having spring loaded double nut provide for backless error Adjustment.
• Automatic lubrication on the main movable slide by flow control valve.
• An inbuilt electrical control panel board having all reputed components.
• Simple coolant tank with pump piping.

• Structure of fixed grinding wheel and movable regulating wheel
• The swallow-tailed roller guideway differential screw supports the regulating wheel feeding
• AC frequency converter is used for regulating wheel speed control.
• The hydraulic transmission step less speed regulation is adopted on regulating wheel grinding wheel dresser.
• Equipped automatic plunge device in the grinder.