From 00c52b139ca7e81c09b14da040c82d4bcbdc1fca Mon Sep 17 00:00:00 2001 From: mechanical-girl Date: Wed, 16 Jul 2025 14:48:36 +0100 Subject: [PATCH 1/2] Closes #107 --- syllabuses/Workshop/Bantam Lathe/syllabus.md | 28 ++++++++++++++++---- 1 file changed, 23 insertions(+), 5 deletions(-) diff --git a/syllabuses/Workshop/Bantam Lathe/syllabus.md b/syllabuses/Workshop/Bantam Lathe/syllabus.md index cbfadea..d05512b 100644 --- a/syllabuses/Workshop/Bantam Lathe/syllabus.md +++ b/syllabuses/Workshop/Bantam Lathe/syllabus.md @@ -56,7 +56,7 @@ - The gear should only ever be changed when the lathe is turned off and is stationary. - Once a gear is selected, the chuck should be manually rotated a full turn to ensure smooth movement. -### The table is clear of the workpiece. +### The cross slide is clear of the workpiece. ## Usage @@ -70,10 +70,12 @@ - Keep foot on or near brake at all times. ### Loading and Unloading Tools -- Lock toolholder in table -- Verify height of tool - - Close chuck jaws and bring cutter to near centre - - Tool should be in line with centre of chuck +- Lock toolholder in cross slide. +- Verify height of tool. + - Close chuck jaws and bring cutter to near centre. + - Tool should be in line with centre of chuck. +- Verify alignment of tool. + - Tool should be at a 2-3º angle relative to face of chuck, with cutting edge closer to chuck than tool body. ### Changing Chuck - Move each of the sockets until the mark on the socket lines up with the mark on the body. @@ -86,6 +88,21 @@ - Log out. - Press in the e-stop. +### Cutting at an angle +- Use the correct spanner to loosen the slide bolt. +- Lock in at correct angle. +- Return to 0º upon finishing. + +### Drilling +- Chuck drillbit into endstop. +- Advance slowly, applying cutting fluid as necesary. +- Back out before stopping machine. + +### Parting +- Part as close to the chuck as possible. +- Do not use the tailstock during parting operations. +- If necessary, regrind the tool. Afterwards, ensure cutting edge is below centre of workpiece. + @@ -99,5 +116,6 @@ ## Maintenance ### General +- More oil will need to be added when the sightglass indicates it is low. ## Other From e743d5bd87eac59c750562a9a1b5079aa5b2a8d0 Mon Sep 17 00:00:00 2001 From: mechanical-girl Date: Wed, 16 Jul 2025 15:44:26 +0100 Subject: [PATCH 2/2] Adds risk assessment --- .../Workshop/Bantam Lathe/risk-assessment.md | 422 +++++++++++++++++- syllabuses/Workshop/Bantam Lathe/syllabus.md | 15 +- 2 files changed, 432 insertions(+), 5 deletions(-) diff --git a/syllabuses/Workshop/Bantam Lathe/risk-assessment.md b/syllabuses/Workshop/Bantam Lathe/risk-assessment.md index e56ffee..43d8a03 100644 --- a/syllabuses/Workshop/Bantam Lathe/risk-assessment.md +++ b/syllabuses/Workshop/Bantam Lathe/risk-assessment.md @@ -1,9 +1,61 @@ # Bantam Lathe - +## Entanglement -## A thing that might go wrong +### Severity + +H + +### Likelihood + +L + +### Risk rating + +M + +### Who may be harmed & how + +Lathe users and bystanders + + +### Control measures + +Loose clothing, jewellry and accessories to be removed. Gloves not to be worn. Long hair to be tied back. Chuck guard must be lowered when machine is in operation. + +## Flying parts + +### Severity + + +H + +### Likelihood + + +L + +### Risk rating + + +M + +### Who may be harmed & how + +Lathe users, bystanders, users of the room, and the space + +### Control measures + +The lathe should not be started until the user has confirmed that the workpiece and tool are properly secured, the chuck key is removed, and the work area and machine ways are completely cleared. The chuck guard should be lowered when running the lathe. The cam pins securing the chuck to the headstock spindle shoud be carefully inspected. + +## Contact with moving machinery ### Severity @@ -13,17 +65,349 @@ H ### Likelihood +L + +### Risk rating + + +M + +### Who may be harmed & how + +Lathe users and bystanders + +### Control measures +The user must never touch rotating machinery or workpieces. The chuck guard must be lowered when the lathe is in operation. + +## Contact with swarf + +### Severity + + +M + +### Likelihood + + +M + +### Risk rating + + +M + +### Who may be harmed & how +Lathe users and bystanders. + +### Control measures +Swarf ribbons should be handled with tools (such as needlenose pliers, a brush, or a shop vacuum). Swarf should not be cleared while the machine is in operation due to risk of entanglement. Eye protection and - if appropriate - a respirator should be worn to protect against swarf. + + +## Trapping and pinching + +### Severity + + +L + +### Likelihood + + +L + +### Risk rating + + +L + +### Who may be harmed & how + +Lathe users + + +### Control measures +Keep well clear of moving components. When operating the lathe, only touch the controls to avoid placing hands in hazardous locations. + + +## Burns + +### Severity + + +M + +### Likelihood + + +L + +### Risk rating + + +L + +### Who may be harmed & how +Lathe users + +### Control measures +Take care when releasing workpieces from the lathe, as it may be hot. Tools may be hot after finishing operations. Coolant should be used as necessary. Cover exposed skin to avoid burns from hot swarf. + +## Cuts + +### Severity + + +L + +### Likelihood + + +M + +### Risk rating + + +L + +### Who may be harmed & how +Lathe users + +### Control measures +Be aware of sharp edges on workpiece and tools. Deburr workpieces as required before handling. + + +## Dropping heavy components + +### Severity + + +M + +### Likelihood + + +M + +### Risk rating + + +M + +### Who may be harmed & how +Lathe users and bystanders. + + +### Control measures +Seek assistance when moving heavy components such as chucks. Use proper lifting techniques as required. Avoid placing body parts below heavy items. Clean fluid off components before lifting. + + +## Accidental "hot" starts + +### Severity + + H +### Likelihood + + +L + +### Risk rating + + +M + +### Who may be harmed & how + +Lathe users and bystanders + + +### Control measures +Ensure users understand lathe controls and procedures. + + + +## Hearing damage + +### Severity + + +M + +### Likelihood + + +L + +### Risk rating + + +M + +### Who may be harmed & how +Lathe users, bystanders, and users of the room. + + + +### Control measures +Hearing protection should be used if noise levels rise above those comfortable, or if operations are expected to cause loud noises. + + + +## Slips and trips + +### Severity + + +M + +### Likelihood + + +L + ### Risk rating +L + +### Who may be harmed & how +Lathe users, bystanders, and users of the room. + + +### Control measures +Ensure spillages of cutting fluid are immediately cleaned with appropriate detergents. Floor around the lathe should be kept clear of trip hazards such as cables. + + +## Chemical exposure + +### Severity + + +M + +### Likelihood + + +L + +### Risk rating + + +L + +### Who may be harmed & how +Lathe users, bystanders, users of the room, and the following user. + + +### Control measures +COSHH guidance should be followed for cutting fluid and other chemical associated with lathe use. If workpiece material is known to cause hazardous fumes, the extraction fan must be set for high speeds and everyone in the workshop should be warned and encouraged to use respirators. + + +## Fire + +### Severity + + H +### Likelihood + + +L + +### Risk rating + + +M + ### Who may be harmed & how +Lathe users, bystanders, users of the room, the space, and potentially Summerhall. + + +### Control measures +Flammable items should not be stored on or near the lathe. Sawdust and other flammable swarf must be cleaned immediately after generation. Fire extinguisher location should be noted before lathe use. + + +## Equipment damage +### Severity + + +L + +### Likelihood + + +M + +### Risk rating + + +L + +### Who may be harmed & how +The tool ### Control measures +Proper training on lathe controls and appropriate speed settings will help mitigate these issues. + +## Injury while lone working + +### Severity + + +H + +### Likelihood + + +L + +### Risk rating + + +M + +### Who may be harmed & how +Lathe user. + + +### Control measures +The standing Lone Working Policy should be followed. diff --git a/syllabuses/Workshop/Bantam Lathe/syllabus.md b/syllabuses/Workshop/Bantam Lathe/syllabus.md index d05512b..3ec4d56 100644 --- a/syllabuses/Workshop/Bantam Lathe/syllabus.md +++ b/syllabuses/Workshop/Bantam Lathe/syllabus.md @@ -10,14 +10,25 @@ ### Risks -#### Entangling risks +#### Entangling, pinching and trapping risks - No loose clothing. - No loose jewellery (i.e. rings, watches) or accessories (i.e. cables). - No gloves. - Long hair must be tied back. +- Chuck guard must be lowered when lathe is in operation. +- Hands must only be places on the controls when the lathe is in operation. + +#### Flying object risks +- The tool must be properly secured to the toolpost. +- The workpiece must be properly secured in the chuck. +- The chuck must be properly secured to the headstock spindle. +- The work area and machine ways must be clear. + +#### Abrasion and impact risks +- The user may be burned, abraded, or have fingers broken if they touch moving parts of the machine. #### Stock, swarf and chip risks -- Wood or flammable metals (magnesium, titanium) dust and swarf must be immediately cleaned up. +- Wood or flammable metals (magnesium, titanium) dust and swarf must be immediately cleaned up using appropriate tools. - Sharp chips may fly. - Stock, workpieces, and tools may all have sharp edges. - Stock and workpiece may become very hot during cutting.