Transcript
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SAFE WORK PROCEDURE
LOCATION OF WORK Schools in PTSD
WRITTEN BY:
APPROVED BY:
DATE:
LAST REVISION
Lorie Carriere Alan Zadorozny Jason Coe
School Principal
August 30, 2010
March 8, 2017
PERSONAL PROTECTION EQUIPMENT (PPE) Safety glasses or face shield must be worn at all times in work areas.
Long and loose hair must be tied back
Appropriate footwear must be worn. Shoe must be fully enclosed. No open toed shoes. Rings and jewelry (long necklaces / bracelets, etc.) must not be worn.
Close fitting/protective clothing must be worn. Remove strings hanging from pullovers/sweaters. Hearing protection must be worn when using this machine.
HAZARDS PRESENT
ADDITIONAL REQUIREMENTS
Discharge of objects /material kickback Cutting tools – cuts, abrasions, amputations Entanglement injuries Eye injury – sawdust, flying debris Loud Noise
Equipment orientation
SAFE WORK PROCEDURE
DO NOT use this machine unless a teacher has instructed you in its safe use and operation and has given permission. OPERATIONAL SAFETY CHECKS: 1. 2. 3. 4.
Check workspaces and walkways to ensure no slip/trip hazards are present. Locate and ensure you are familiar with the operation of the ON/OFF starter and E-Stop (if fitted). Use only materials free from defects. Rough cut the workpiece as close as possible to the finished shape before installing it on the faceplate 5. Securely fasten the workpiece to the faceplate prior to faceplate turning 6. Snug the tailstock centre against the workpiece and lock it when turning between centres 7. Properly adjust the tool rest height so it is as close to the workpiece as possible 8. Rotate the workpiece by hand to check clearance 9. Clear the lathe bed of all objects before turning the machine on 10. Use the lowest speed when starting a new workpiece 11. Never adjust the tool rest while the workpiece is turning 12. Move the cutting tool into the workpiece slowly and cut small amounts when roughing. Do not lean in too close to your work.
SAFE WORK PROCEDURE
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13. Never leave the machine running while unattended 14. Turn off the machine before you remove your piece from the lathe 15. Faulty equipment must not be used. Immediately report suspect machinery to your teacher. OPERATING THE LATHE: 1. Don all personal protective equipment: safety glasses / face shield, hearing protection, proper footwear (closed toe / heal shoes). Remove all jewellery; loose clothing and tie back hair. 2. Ensure the 0n/Off switch is in the “off” position and plug the machine into properly grounded power source. 3. Material to be turned: - Wood stock for turning should be square and the ends should be square with the sides. - Rough cut the workpiece as close as possible to the finished shape before installing it on the faceplate 4. Centering the work: - Square the stock; ensure the ends are square with the sides. - If the workpiece cannot be worked between the centres use a faceplate. (see below) - Draw diagonals on both ends to locate centres. - Make shallow saw cuts on the diagonals on one end and drill or punch a small hole in the centre of the other. - Drive the spur or live centre into the saw cuts with wooden mallet and place oil into the hole for the dead centre. - Hold the centre and the work piece together and fit both immediately to the head-stock spindle. - Mount the work by moving the tailstock to a position about 1 – 1.5 “ from the end of the workpiece and lock it into position. - Advance the tailstock centre by turning the feed handle until the centre cup makes contact with the work. . - imbed the centre cup at least 1/8” into the work, by slowly rotating the work by hand and then turn it back 1/4 turn to prevent excess friction. 5. Mounting work to a faceplate: - On a flat smooth piece of stock, mark a circle the size of the faceplate (~ 3”) and a second one slightly larger, ~ 6”. - Cut out the disks on the band saw. - Centre the disc onto the faceplate and mount using screw fastenings. - Larger work pieces can be mounted to the 6” faceplate. 5. Tool Rest Position: - Mount the tool rest in place about 1/8’ away from the work and 1/8 “ above the work centerline. - Place a guide mark on the tool rest shank as an aid to quick and accurate resetting. - Rotate the stock by hand to ensure clearance. 6. Hand Positioning: - While turning, the hand that holds the tool handle should be in a natural position. - The position of the tool rest hand is more of an individual preference. There are two positions 1) Palm – up position – is considered the best position. In this position the first finger acts as a guide, sliding along the tool rest as the cut is made. 2) Palm – down position – In this position the heel of the hand or the little finger serves as a guide. This position is excellent for roughing or heavy cutting. - beginners should start with the palm – down position.
SAFE WORK PROCEDURE
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7. Cutting material: a) Turn on power and let machine come to full speed. b) Use the low speed setting. c) Use both hands to hold the tool. Move the cutting tool into the workpiece slowly and cut small amounts when roughing d) The tool may be advanced along the work from right or right to left as this action throws chips clear of the operator. e) The tool should be held well up on the work, with the bevel or grind tangent to the revolving surface. This position will give the cleanest cut. The tool will scrape the surface if pushed straight into the work. f) Once the roughing cut approaches 1/8” of the required diameter, the turning speed can be moved to the second or third speed setting. 8. When work has been completed, turn off the lathe and stay till machine comes to a complete stop. 9. Remove material from the lathe. To remove the live center from the tailstock spindle use a knockout bar through the hole in the opposite end of the spindle. Clean the area. If there is a lot of saw dust, wear a dust mask while cleaning the area. LATHE TOOLS:
Gouge – is a round nosed hollow chisel used for roughing cuts, cove cuts and other operations. Skew Chisel – is a double ground flat chisel with an angled end, used for smoothing cylinders, cutting shoulders, beads, vee-grooves, etc. Parting Tool – is a double ground chisel used for cutting-off or for making straight incisions or sizing cuts to any required diameter. Round Nose Scraper – used for mostly hollowing work Square-End Scraper – used for the outside of bowls.
REGULATORY REQUIREMENTS
WS&H Act W210, Section 4, 5, 7, 7.1 MB. Regulations 217/2006, o Part 2, Section 2.1 Safe Work Procedures o Part 6, Section 6.1 PPE o Part 8, Musculoskeletal Injuries o Part 12, Section 12.3, Hearing Protection o Part 16, Sections 16.1 – 16.18, Machine & Tool Safety o 35.0 WHMIS o 36.0 Chemical Biological Substances WS&H Act W210, Section 4, 5, 7, 7.1 Operators Manual
