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Quick Details

  • Place of Origin: Karnataka, India
  • Brand Name: Shenoy
  • Model Number: NA
  • Condition: New
  • After-sales Service Provided: No overseas service provided

Packaging & Delivery

Packaging Details Wooden boxes
Delivery Time 6-8

Specifications

Servo driven carriage for accurate knurling length, with HMI for easy programing, Hydraulic operated chuck & tail stock for easy

KNURLING SPM

 

 

 Many components like handle bars, drive shafts etc in bicycle, automobile industries, pump manufacturing industries etc need knurling operation on OD, for providing better grips of mating part. Knurling is normally done in a lathe or in a HMC. But these machines are not designed for taking the plunge load of knurling. We have designed & developed a Special Purpose machine which can mass produce knurled components are very high speeds, requiring less cycle time & high output

Construction:

On a heavily ribbed, fabricated & stress-relieved machine base, a Head Stock is mounted.

  • Located in the head stock is the Spindle, rigidly supported by 2 pairs of heavy duty, matched pair angular contact bearings.
  • Spindle, powered by a VFD controlled 3 HP motor, provides stepless spindle speeds from 300 RPM to 600 RPM in a stepless range.
  • Mounted on the head stock spindle is the optionally offered 3 jaw self centering conventional or hydraulic chuck.
  • On the other end of the base, Tail Stock is mounted. Tail stock has 2 different movements:-
    • Hydraulically operated to & fro movement of the tail stock spindle for holding the job between centers and
    • Motorized to & fro movement of the tail stock assembly to take care of varying lengths of the jobs.
  • Located between the head stock and the tail stock is the Carriage, mounted on which is the specially designed HSS Knurling Wheel to produce knurled surface on a cylindrical job. Opposite to the knurling wheel, Teflon idle roller assembly counter-supports the job when receiving the plunge load of knurling and prevents the job from bending.
  • Carriage moves between the head stock and tail stock with the help of a Servo Drive, in combination with HMI (HUMAN MACHINE INTERFACE) which offers 3 distinct advantages:
    • Selection & ensuring of positioning accuracy with unfailing repeatability is ensured by the servo drive.
    • Servo drive also takes the knurling wheel to the exactly required knurling length, wherever the knurling length required is more than the width of the knurling wheel.
    • Servo drive makes it possible to produce multiple knurled surfaces of different knurling widths, on different jobs of different dimensions at single or multiple locations. The touch screen enabled HMI facilitates for quick program selection for different jobs, on-machine program edit, insertion of new programs, quick editing of cutting parameters like feed, speed etc.
  • Centralize Lubrication System provides lubrication to the sliding and rotating parts of the machine at regular intervals. Cutting oil is continuously being pumped to the machining zone from a separate reservoir, fitted with a pump

Features & Specs:

The capacity of the above shown Knurling SPM is designed to accommodate shafts of Ø10 mm min. to Ø50 mm max x 500 mm long.

  • Longer shafts can be accommodated either through suitable extension of admit between centers or through a hollow chuck.
  • Cross traverse (traverse for the knurling wheel to plunge) is upto 150 mm through hydraulic cylinder.
  • Ball screw & box nut for longitudinal axis movement, in combination with case hardened male sliding surfaces & turcite for female sliding surfaces will provide smooth, back-lash free smooth sliding movement, apart from wear resistance.

An AUTO-CYCLE, operated through the combination of direct, encoder based feedback of servo drive for the longitudinal axis, PLC, feed-end limit switches, sensors etc, ensures that the knurling operation takes place as programmed with repeat accuracy & with the least human intervention.

Coolant system, lubricants, machine enclosure, automatic chip disposal system, guide way protection etc will be provided at an additional cost. Job loading and unloading will be manual.

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