Lathe -- Colchester 2500

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Tools at the Asylum
Colchester 2500 Lathe

General Info
MakeColchester / "600 Lathes"
ModelStudent 2500 / 25702
Mfr. Specs
ManualOn wiki
Training (experimental section)
Tool SpeciesLathes -- Metal
(Includes rubric, training information, and testing information.)
Asylum Info
LocationMachine Shop
Operational Status
Latest Status
QR Code



Description: This 2.5-hour personalized training will launch you into the world of precision machining at the Artisan's Asylum! Makers of all types will benefit from shaping aluminum, steel, and plastics into precisely cut parts.

In this class students will learn to safely use our Colchester/Clausing Metalworking Lathe (a.k.a. engine lathe).

After an introduction to terminology and machine anatomy, students will learn the following operations:

  • Changing spindle speeds and identifying cutting speed ranges.
  • Changing and adjusting tool bits and accessories.
  • Holding workpieces in the chuck and centering long parts.
  • Facing raw aluminum stock for perfect surface finish.
  • Turning shoulders, grooves, and chamfers in aluminum.
  • Precision hole location and drilling.
  • Cleanup and machine care.

Prerequisite: Basic Machine Tools strongly recommended. Students are encouraged to bring scrap materials or personal projects to class.

Class Goals:

Students will become familiar with basic machine anatomy, workholding, toolholding, and various safe turning operations. If proficiency is achieved, students will leave the class qualified to do independent work on the Asylum's Colchester/Clausing Metalworking Lathe.


Toolpost and toolholders are Aloris "B" series. The spindle is compatible with D1-4 camlock chucks; there are 3 and 4 jaw chucks available. A wide selection of 5C collets are available in a rack on the workbench, along with the 5C spindle adapter, draw bar, and wooden dowels:

  • Draw bar for 5C collets, and wooden dowel below
  • 5C spindle adapter

Lubrication Schedule

Special Notes

Issue Image
Cover does not have a stop. Watch your knuckles on closing the cover.
Autofeed should be kept in intermediary position, as to prevent unplanned movement. Autofeed selector is the single blue knob in the second row.
Speed dial selector with numbers is difficult to move and engage correctly. You may want to use the other dials to get a speed close to the desired final output speed.



From user: andrew string

"I've done some digging and here's what I've found:

Mouser# 653-G7Z2A2B11ZDC24

4PST,2NO/2NC,24V/40A - replaces CA2DN22B7 almost exactly (with a larger current capacity)

Mouser# 655-PT3S7LC4

3PDT,24V/10A - replaces NC1D0901 and NC1D0910

These are all DIN rail mount, so they should fit into your lathe control cabinet."


Name Plate Info

Plate at rear of headstock:

  • SERIAL: 306389
  • 600 LATHE NUMBER: 306389/25702
  • YEAR OF BUILD: 1998
  • SPINDLE RPM: 40-2500
  • 230 V, 3 PHASE, 60 HZ, 8.8 A
  • 2.2 KW, 3.0 HP, 8.0 A

Imprinted at rear of tailstock:

  • IK0098 or 1K0098


Staple Consumable: Belt
SpecificationsPart Number(s)Product Link(s)

Cost: N/A

Rockler standard 1/2" Power Twist Link Belt.


You can get a spray can of belt dressing compound for a short term solution. Take off the old belts, de-grease the pulleys with something like Formula 409. Apply many coats of belt dressing over several days. It can take the squeak out of belts but won't bring them back from the dead.

Note: I've got plenty of Purple Power degreaser there you can use for this. Vandykee 09:23, 30 December 2010 (EST)

If multiple belts are needed spec matched sets of belts. Order them from McMaster Carr.

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