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| equipment:metalshop:metallathe:home [2023/07/20 18:09] – Accessories updated drew | equipment:metalshop:metallathe:home [2024/11/19 21:42] (current) – external edit 127.0.0.1 | ||
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| - | ======Metal Lathe - Harrison M250====== | + | ====== Metal Lathe - Harrison M250 ====== |
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| - | UNDER CONSTRUCTION | + | |
| {{: | {{: | ||
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| =====Introduction===== | =====Introduction===== | ||
| - | The Harrison M250 lathe (also sold as Colchester Bantam with a different gear change and control lever layout) was designed to appeal to schools, training establishments, | + | The Harrison M250 lathe (also sold as Colchester Bantam with a different gear change and control lever layout) was designed to appeal to schools, training establishments, |
| + | |||
| The M250 is a full-function machine capable of the entire range of turning operations, and through the available range of | The M250 is a full-function machine capable of the entire range of turning operations, and through the available range of | ||
| accessories its scope and versatility can be increased even further. Quality, reliability and response make it one of the most | accessories its scope and versatility can be increased even further. Quality, reliability and response make it one of the most | ||
| - | outstanding lathes of its kind especially in industry, the toolroom, training and secondary and tertiary education.\\ | + | outstanding lathes of its kind especially in industry, the toolroom, training and secondary and tertiary education. |
| + | |||
| *Easy to understand headstock mounted speed, threading and feed charts\\ | *Easy to understand headstock mounted speed, threading and feed charts\\ | ||
| *Smooth power transmission through a twin vee belt drive and induction hardened and ground headstock gearing\\ | *Smooth power transmission through a twin vee belt drive and induction hardened and ground headstock gearing\\ | ||
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| [[http:// | [[http:// | ||
| - | =====Induction to use the Lathe===== | + | ===== Induction to use the Lathe ===== |
| To request an induction please post on the forum. The induction takes about 1.5 hours.\\ | To request an induction please post on the forum. The induction takes about 1.5 hours.\\ | ||
| **Pre-Induction Study:** | **Pre-Induction Study:** | ||
| - | If you are new to lathe work, please prepare for the induction by watching the first 5 videos of [[https:// | + | If you are new to lathe work, please prepare for the induction by watching the first 5 videos of [[https:// |
| - | + | ||
| - | We highly recommend the whole series. | + | |
| {{ : | {{ : | ||
| + | |||
| + | ===== Safety Risk Assessment ===== | ||
| + | [[https:// | ||
| - | =====Specification===== | + | ===== Specification ===== |
| *290mm Swing Over Bed\\ | *290mm Swing Over Bed\\ | ||
| *180mm Swing Over Cross Slide\\ | *180mm Swing Over Cross Slide\\ | ||
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| *No. 3 D1 Camlock nose\\ | *No. 3 D1 Camlock nose\\ | ||
| *40-2000rpm Spindle Speeds\\ | *40-2000rpm Spindle Speeds\\ | ||
| + | *1.3kW Motor\\ | ||
| *Quick change gear head\\ | *Quick change gear head\\ | ||
| - | *0.9kW Motor\\ | ||
| *Quick change tool post\\ | *Quick change tool post\\ | ||
| *Metric and imperial thread cutting\\ | *Metric and imperial thread cutting\\ | ||
| *Power feed on main carriage and cross slide\\ | *Power feed on main carriage and cross slide\\ | ||
| - | =====Manual===== | + | ===== User Manual ===== |
| - | {{metal_lathe:harrison_m250.pdf|PDF of Harrison M250 Manual}}\\ | + | {{ :equipment: |
| - | =====Accessories===== | + | ===== Accessories ===== |
| - | | + | [[equipment: |
| - | | + | |
| - | | + | ===== Suitable Materials ===== |
| - | | + | The Metal Lathe is very happy cutting most common engineering materials. including: |
| - | *Drive plate for turning between centres.\\ | + | * Ferrous metals: Steel, cast iron and stainless steel |
| - | *Live centre for tailstock | + | * Non-Ferrous metals: Brass and Aluminium. |
| - | *Dead centre - with carbide tip.\\ | + | * Engineering plastics: Such as Nylon, Delrin, Acetyl are also perfect. |
| - | *Half dead centre.\\ | + | |
| - | | + | On very rare occasions, when there is a case for using metal lathe to cut hard wood precisely. If this is the case, please take care clean off all traces of wood dust when you have finished. After clean up, anoint the lathe with copious amounts |
| - | *Parting | + | |
| - | *Some Carbide insert cutting tools. \\ | + | If you have any doubts as to whether a material is suitable, or whether it needs HSS or Carbide Tooling |
| - | *Lots of HSS for making cutting tools. \\ | + | |
| - | | + | ===== How to guides |
| - | *An imperial dial indicator | + | |
| - | *Cheapo digital calipers.\\ | + | How to use the Tap Follower |
| - | *Travelling steady.\\ | + | |
| - | *Fixed steady.\\ | + | How to use the Die Holder |
| - | *Change gears in the bottom draw for a wider range of screw cutting options.\\ | + | |
| - | *Morse taper reducing sleeves.\\ | + | [[equipment:metalshop: |
| - | *Some reamers\\ | + | |
| - | + | [[equipment: | |
| - | =====Maintenance Notes and Current To Do list===== | + | |
| - | See the forum thread for the Metal Lathe Team. | + | |
| - | + | ||
| - | =====Safety===== | + | |
| - | [[https:// | + | |
| - | \\ | + | |
| ===== Maintenance ===== | ===== Maintenance ===== | ||
| - | **Daily maintenance is to be carried out on each occasion | + | Daily maintenance is to be carried out every time you use the lathe. |
| - | **This section | + | A some documents and links on how to do things on the lathe. |
| - | \\ | + | [[equipment: |
| + | |||
| + | ===== Problems and Current To Do list ===== | ||
| + | See [[https:// | ||
| In the event of anything urgent please post on the forum or contact Drew or someone from the committee. \\ | In the event of anything urgent please post on the forum or contact Drew or someone from the committee. \\ | ||
| - | In the event of the lathe being unsafe to use clearly | + | In the event of the lathe being unsafe to use, please add a note clearly |
| ===== List of Authorised Inductors and Inducted Members | ===== List of Authorised Inductors and Inducted Members | ||
| Here is the [[equipment: | Here is the [[equipment: | ||