Lathe Metal Green - Acraturn GH1440A

Aliases Green Lathe, Big Lathe
Other References
Official Maintainer Ben Jackson


Required Always wear AS/NZS 1337.1 compliant safety glasses while operating this machine.
Required Enclosed shoes are required, no open sandals, thongs etc
Required Restrain hair while operating machine
Prohibited Loose clothing and jewellery not to be worn while operating this machine.
Recommended We recommend hearing protection.
Warning Entanglement hazard present while wearing gloves.
Maintenance Disconnect power to the machine before performing maintenance, including wheel changes
Name Value
Motor Power 415V, 3 Phase, 2.54kW
Speed Range 16 Speed, 45-1800RPM
Thread and feed gearbox Imperial
Change gears Current installed: 25/127/50. Additional change gears are not currently available.
Swing over bed 356mm (14“)
Swing over cross slide 220mm (8-5/8”)
Distance between centres 1000mm (40“)
Number of spindle speeds 16
Range of spindle speeds 45 - 1800 RPM
Spindle bore size 38mm (1-1/2”)
Spindle nose D1-4 Camlock
Taper of spindle bore Morse taper 5
Tailstock quill taper Morse taper 3


  • Acraturn
Date Description Workaround Proposed Remediation
6/4/2022 Missing change gears for metric threads Investigate if missing 40 teeth (*2) and 32 teeth gears can be sourced.
6/4/2022 No Interlock Use key to unlock the 'Reset' kill switch Install interlock.
Date Modified By Description Remediation Cost
4/2022 Ben Jackson Face plates loose/open Bolted face plates to headstock. $0
4/2022 Ben Jackson Power feed lever not disengaging Spaced out the lever guide block to ensure guide pin remains trapped. $0
4/2022 Ben Jackson Panels missing over drive pulley Replaced panel after finding new bolts. $0
4/2022 Ben Jackson Missing lever for feed direction Manufactured a new lever $0
4/2022 Ben Jackson Ill fitting coolant hose mount Removed the wood and modified the original mount to fit the coolant pipe. $0
4/2022 Ben Jackson Loose pulley on motor Re-positioned the pulley and locked it in place. $0
10/5/2022 Ryan Marple Installed Quick Change Toolpost $380
Image Category Accessory Name & Notes Location Buy from
PLACEHOLDER Image, 100 width PLACEHOLDER Category of accessory PLACEHOLDER Accessory Name
PLACEHOLDER Description and usage notes for accessory
PLACEHOLDER Describe location of accessory PLACEHOLDER Link to where it was bought from
Image Category Accessory Name & Notes Location Buy from
PLACEHOLDER Image, 100 width PLACEHOLDER Category of consumable PLACEHOLDER Consumable Name
PLACEHOLDER Consumable description and usage
PLACEHOLDER Description of where the consumable is stored PLACEHOLDER Link to where it can be bought
Interval Task
Each Use/Daily General lubrication via the oiler points on the carriage and tailstock. See image below.
Monthly Check oil levels in headstock, gearbox and apron. Refer to manual page 24.
Monthly Grease gear train.
Monthly Inspect and adjust the drive belt. Refer to manual page 22.
Annually Adjust Slide Ways and Cross-Slide nut. Refer to manual page 23.
Annually Change the oil in the headstock, gearbox and apron. Refer to manual page 24.

Task / Action Executive Cause Leader
Cause Team
Named Maintainer Trainers Cause Membership Implementer
Modification and Repairs - AC C I I I R
Induction changes C RACI RC I I I R

PLACEHOLDER: Risk assessment is important to ensure we are making tools available to members in a responsible fashion. Please make every effort to do a reasonable risk assessment. If there is a safety incident with the tool, please redo a risk assessment and add it to the table.

Ref / ID Pre-Mitigation Mitigations / Warnings / Remedies Post Mitigation
Risk Risk Severity Risk Likelyhood Risk Level Risk Severity Risk Likelyhood Risk Level Acceptable to Proceed
0001 PLACEHOLDER DEATH Intolerable Probable 11 PLACEHOLDER Induction to train users in correct usage Low Improbable 1
Ref / ID Decision Details Impact Proposed Date Proposed By Status Approved By Date Resulting Actions and Comments
  • tools/metalshop/metal_lath_green
  • Last modified: 6 weeks ago
  • by capella_ben