Trf Limited (Bmhe Division)
Original Issue Date : / Date of Revision: / Page 1 followed by 2
Prepared by : Mr. Santosh Kumar / Approved by : / Issued By:
Title:HORIZONTAL BORING
1.0Purpose :-To ensure the safety of man , machine & material while working on
HORIZONTAL BORING machine & to meet technical; requirements as
Specified in drawings.
2.0 Reference:-
3.0 Associated Hazards: - Hot flying chips, Eye Injury, Cuts, Long chips.
Damage to job , damage to machine , major/minor
Accidents, fatality, loss time incidents.
4.0 Applicability:-This is applicability for Machine Shop area in TRF works
5.0 Responsibility:-Machine men , Line managers , & its associated personnel
TRF LIMITED (BMHE DIVISION) / OCP0000 / 00
Original Issue Date : / Date of Revision: / Page 2 followed by 3
Prepared by : / Approved by : / Issued By:
Title: : HORIZONTAL BORING
6.0 General Requirement : -
6.1 NO PERSONNEL ARE TO USE THIS EQUIPMENT PRIOR TO:
: Understanding & knowing the correct operation of machine.
: Reading the standard operating procedure
: Undergoing thorough practical training
: Must have operated the machine independently in presence of senior
Machine men.
: Senior machine men must have the concurrence for his independent
Operation , this is to be ensured by line managers
: Use of correct PPE is must
7.0Pre-Start Checks : -
: After clamping settings must be re-checked.
: Work must be securely clamped to the table/bed.
: Loose items must not be left on the rotary table.
: The spindle hole and boring bar must be clean and free from
Nicks/dirt.
: Pull stud must be properly tightened at correct distance.
: All boring tools must be tightened with minimum two screws.
: All run out of milling cutter/boring bar must be within specified
Limit Depending on the operation.
: All worn out inserts are changed.
: On/Off switch of R.P.M & FEED should be checked
: EMERGENCY STOP switch must be checked.
TRF LIMITED (BMHE DIVISION) / OCP0000 / 00
Original Issue Date : / Date of Revision: / Page 3 followed by 4
Prepared by : / Approved by : / Issued By:
Title: HORIZONTAL BORING
8.0Setting of job :-
: Leveling of the job is to be done either by machine or by water level
Depending On shape & size of job.
: One of the axis of the job is to be set parallel to machine axis either
Directly by machine or by plumbing two points & line thus formed should
be made Parallel to one of the axis of the machine.
: Proper packing support is to be given so that job does not get distorted
While Clamping.
: Suitable clamping is to be done so that job does not vibrate during
Machining.
: After clamping setting must be re-checked.
: Boring based to be selected depending upon the bore size and tool to be
Use.
: Ailing the job with machine by setting axis line
: Set proper boring bar
: Check raw material size by measuring tape/veriner
: Remove all unwanted tools & accessories
9.0 Operation :-
: Ensure that setting of the job is correct.
: Give reference cut to ensure the checking of the setting at any
Point of time.
: Do roughing operations keeping material for semi-finish & finishing
operations ( approx 0.5 to 0.8 mm material on tool point )
: Do semi-finish & finishing operation as per drawing.
: Generate reference surfaces wherever possible for next set-up.
: Long chips must not be allowed to build up on the table.
: Long chips shall be removed using a brush, never by hand.
: All measuring instruments must be calibrated & its error must
beTaken into considerations for any measurement.
: Remove sharp edges after completing the operation.
- OPERATOR MUST ALWAYS KEEP THEIR HANDS AND ARMS WELL CLEAR
TRF LIMITED (BMHE DIVISION) / OCP0000 / 00
Original Issue Date : / Date of Revision: / Page 4 followed by 5
Prepared by : / Approved by : / Issued By:
Title:HORIZONTAL BORING
10.0Closing Down the machine :-
: Switch off the main power supply.
: Clean up chips from machine bed & job.
* Always wear gloves when cleaning up chips
TRF LIMITED (BMHE DIVISION) / OCP0000 / 00
Original Issue Date : / Date of Revision: / Page 5 followed by ---
Prepared by : / Approved by : / Issued By:
Title: HORIZONTAL BORING
REVISION HISTORY
REV. No. Date DESCRIPTION
NOTE: FOR DETAILS OF REVISION HISTORY, REFER FILE
RECORDS AVAILABLE WITH M.R.