HORIZONTAL BORING, MILLING, DRILLING & FACING MACHINES Live Demo
 
GURU NANAK Engineering Works(Regd.) with over 4 Decades' experience, have earned an enviable reputation as manufacturer of High Quality, Reliable & economical "KARAM" Highly Precision Horizontal Boring Machine which is a versatile Machine Tool for all types of roughing & finishing operations within the range of BORING, MILLING, DRILLING, REAMING & FACING. It is most suitable for machining bores in various types of Machine Bodies & Gear Boxes, for surface milling & especially for large dia flange facing. High precision workmanship, Sturdy & well proportionate design of Castings, High powered spindle & face plate drive along with Wide Range of Spindle Speeds & Gear Box Feeds ensure high production of accurately machined parts with the use of both H.S. Steel & Carbide tools. The Robust & Massive construction of the machine is a guarantee to withstand fully all the working stresses.
 
* The Casting is done with the mixture of 25% Steel & Ferro Chrome etc. to acquire proper Brinell     Hardness & it is also seasoned for at least six months. The Machine is manufactured to Grade-1     Limits of ACCURACY.
* High Accuracy of machining due to precision scrapped/ground Guideways of Bed & Pillars etc.
* Fine Positioning by Dial Indicatiors & Verniers or Digital Read-Out System having an accuracy of      .005 mm resolution for close manufacturing tolerances.
* Geometrical Accuracy of the machine conforms to Dr. SCHLESINGER'S ACCEPTANCE TEST CHART.
* Heavily ribbed box type Bed to withstand the Heavy Loads & Sturdy box type Columns to resist the    heavy cutting force even at elevated height.
* Precise Synchronized Vertical Travel of Head Stock & Boring Stay Support.
* All traverses of X,Y & Z Axis of the machine as well as circular movement of the Work Table are
   provided with automatic Feeds and Rapid Travels.
* All gears are precision cut on imported Mother Machinery to ensure smooth and Silent running.
* Manual Boring Head Height setting adjustment with a lever attached to feed gear box.
* Centralized control with swiveling Pendent Board for easy and convenient operations.
* Hand Operated knurled Knob attached to head stock drive motor and hand operated wheel    attached to feed gear box motor for the safest engagement of speeds and feeds respectively.
* Special Attachments like Threading, Milling and Taper Boring Attachments permit to perform Multi-
   Operations on a single machine.
* 4x90° Position of Rotary Table set with the help of an accurate adjustable stopper.
SAFETY CLUTCHES: To Disengage: ( a) Facing Mechanism (b) Sliding Mechanism of Cross Slide
(c) Rotary Movement of Work Table ( d) Longitudinal Movement of Work Spindle.

Apart from above safety Measures, Limit Switches & suitable Shear Pins are also provided for total safety of the machine
 
TECHNICAL SPECIFICATIONS
 
SPECIFICATIONS MM MM MM MM MM MM
             
1. Alloy Steel Work Spindle Handened &      Ground-Diameter 65 80 100 110 125 150
2. Morse Taper Number 4 5 6 6 6 Metric 80
3. Max. Longitudinal Movement of Working     Spindle 410 510 510 510 600 800
4. Number of Spindle Speeds 9 9 9 9 9 9
5. Range of Spindle Speeds - R.P.M. 20 to 300 15 to 300 15 to 300 15 to 250 15 to 250 15 to 250

6. Longitudinal Work Spindle Feeds (Nos.)

9 9 9 9 9 9
7. Max. Height of the Spindle Axis
    from Table Surface
800 925 1000 1100 1250 1500
8. Min. Height of the Spindle Axis
    from Table Surface
20 25 35 35 35 50
9. Dimensions of the Rotary Table 880x1050 900x1125 1030x1375 1100x1450 1225x1675 1500x2000
10. Longitudinal Table Traverse 1500 1625 1775 1925 2050 2225
11. Long. Table Traverse Feeds
      ( Including one Rapid)
10 10 10 10 15 15
12. Transversal Table Travel Feeds
      (Including one Rapid)
10 10 10 10 15 15
13. Vertical Head Stock Travel Feeds
      (Including one Rapid)
4 4 4 4 15 15
14. Rotary Table Autiomatic Feeds
      ( Including one Rapid)
10 10 10 10 15 15
15. Max. Cross Movement of the Table 910 1000 1100 1300 1550 2000
16. Max. Distance Between Stay Bearing
      and Facing Head
2150 2400 2690 2800 2950 3400
17. Facing Head Diameter 450 505 555 600 650 700
18. Weight Approximate in Kgs. 7500 8500 10000 11500 16500 20000
 
STANDARD EQUIPMENTS : Two  Electric Motors :-  3 H.P.& 2 H.P. for 65mm H.B.M., 5 H.P. & 2 H.P. for 80mm H.B.M., 7.5 H.P. & 2 H.P. for 100mm H.B.M., 10 H.P. & 3 H.P. for 110mm H.B.M., 12.5 H.P. & 5 H.P. for 125mm H.B.M. & for 150mm H.B.M. 15 H.P. & 5 H.P. Electric Motors complete with Panel Board & Pendant Control Board.  One Facing Head with Single Point Tool Holder, 2 Nos. Lubrication Pumps, 5 Nos. Limit Switches, One Steel Telescopic Cover to guard the machine Bed,   One Machine Lamp, One Boring Bar, One Spindle Vibration Control Guide, Co-ordinate  reading  arrangement  with Scales & Verniers for X,Y and Z Axis along with Crank Handles are also supplied as Standard Equipments with every machine.
EXTRA EQUIPMENTS : 2Axis or 3Axis Digital Read-out System for the Pin-Point Accuracy, Angular D.R.O. System for the perfect indexing of Rotary Work Table, TURCITE coating for the anti-friction movements of all major sliding parts of the machine,  Vertical or Universal Milling Attachment, Taper Boring Attachment, Threading Attachment complete with special Threading Chuck, Revolving Centre with 6”/ 8” True Chuck, Three Nos. Dial  Indicators in dust proof Aluminium housings with attachments & Electric Coolant Pump etc. can be supplied as EXTRA EQUIPMENTS at their Net Extra Costs.

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