Bridgeport Mill

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Metal Milling Machine (Bridgeport)
Bridgeport Mill.jpg
Sub-category Metalworking
Status Awaiting EX2 Setup
Last updated 2 September 2024 08:18:56
Training requirement yes
Training link Bridgeport Mill Training
ACnode yes
Owner LHS
Location Metalworking Shop
Maintainers Machine Shop Team, Liam, Tim and Dean

A milling machine used for many kinds of metal cutting & shaping tasks

ACnoded

Training Required

Powered up and commissioned.

If you would like to receive training on the mill please add yourself to this list. Note the page might not be actively monitored by the trainers, so also make yourself known to other metalshop users. Watch the required prerequisite training as listed on the metal work group page. you need to understand the terminology, process's and get hand on (both are critical) if you dont watch them you are wasting everyone's time.

Bring your material and drawings in and discuss your project with a machine shop maintainer.

Be prepared to invest significant time and effort into mastering the required skill.

Please note the mill is suitable for metal only - no wood


Risk Assessment - Metal Milling Machines

This risk assessment is intended to provide guidance on the risk associated with the above equipment and activities in normal use. Please also check general risk assessments for the space as a whole. Any discrepancies, errors or concerns should be raised with the document maintainers or trustees - do not edit this assessment directly. For responsible persons and last update, see 'version log' of the assessment page.

Activity

Cutting metal or suitable plastics on the metal mill

Signage

Understanding Risk Rating

LOW - Ensure current control measures are in place and continue with activity

MED - Control measures may be adequate, co-supervision is recommended

HIGH - Do not undertake activity without further consultation with area specialists

Risk Assessment

Identify Hazards Who May be Harmed and How Severity Control Measures Likelihood Risk Rating
Incompetent user User, Bystander HIGH       Users must not use tools that they are not competent to use. Members must challenge use that they believe is dangerous. All members wishing to use the mill must be trained. Users must read the risk assessment before using a tool. LOW     MED   
Contact with cutter User HIGH      Do not touch moving parts of machine once in use. Do not put hands behind the guard –If swarf removal is needed use a brush. Mill should be switched off immediately after use. Do Not Wear Gloves or loose clothing when operating the machine. Tie long hair back when operating the machine LOW      MED 
Ejection of workpiece (Kickback) User of the tool, users of the room, the space. HIGH      Use a machine vice where possible. Make sure the part is secured in the vice or to the table before starting acut. Cuts should not exceed recommended cutting depth or feed. Parts attached directly to the bed must be securely clamped. The vice or other workholding jigs must be attached securely to the bed. Other users of the room should not be close to the machine. The machine should be used with it’s guard attached, when possible. Support for parts, in the form of parallels, centres, jacks, etc, should be used where appropriate.  LOW  MED   
Cutter User of the tool, users of the room, the space. LOW Do not exceed the recommended feed and speed settings of the mill. Do not exceed recommended cutting depths. Make sure that your material is free from foreign objects. Do not make a cut that exceeds your material depth. Ensure cutter is sharp before use. Side-cutting tools are not to be held in a Jacobs chuck. The machine should be used with it’s guard attached, when possible MED    LOW
Noise User of the tool, users of the room. LOW Ear protection is advised, particularly on harder materials LOW LOW
Flying User of the tool, users of the room. MED   Eye protection must be worn whilstusing the mill. Eye protection must be worn by all users of the workshop. Do not exceed the recommended feed and speed settings on the mill. Do not exceed recommended cutting depths. Make sure that your material is free from foreign objects. Do not make a cut that exceeds your material depth. Ensure cutters are sharp before use. Ensure the drawbar is tight before starting the machine. The machine should be used with it’s guard attached, when possible   MED MED