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| equipment:metalshop:metallathe:home [2024/01/10 14:47] – 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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| =====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===== | + | ===== Safety Risk Assessment ===== |
| [[https:// | [[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 ===== |
| {{ : | {{ : | ||
| - | =====Accessories===== | + | ===== Accessories ===== |
| - | | + | [[equipment: |
| - | *< | + | |
| - | *5" 4 jaw independent chuck\\ | + | |
| - | *< | + | |
| - | *Drive plate for turning between centres.\\ | + | |
| - | *Live centre for tailstock - a bit blunt and battered.\\ | + | |
| - | *Dead centre - with carbide tip.\\ | + | |
| - | *Half dead centre.\\ | + | |
| - | *Keyless Chuck for Tailstock.\\ | + | |
| - | *Parting off tools. \\ | + | |
| - | *Some Carbide insert cutting tools. \\ | + | |
| - | *Lots of HSS for making cutting tools. \\ | + | |
| - | *[[equipment: | + | |
| - | *An imperial dial indicator and stand.\\ | + | |
| - | *Cheapo digital calipers.\\ | + | |
| - | *Travelling steady.\\ | + | |
| - | *Fixed steady.\\ | + | |
| - | *Change gears in the bottom draw for a wider range of screw cutting options.\\ | + | |
| - | *Morse taper reducing sleeves.\\ | + | |
| - | *Some reamers\\ | + | |
| ===== Suitable Materials ===== | ===== Suitable Materials ===== | ||
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| * Engineering plastics: Such as Nylon, Delrin, Acetyl are also perfect. | * Engineering plastics: Such as Nylon, Delrin, Acetyl are also perfect. | ||
| - | 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. | + | 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. |
| If you have any doubts as to whether a material is suitable, or whether it needs HSS or Carbide Tooling and coolant, please ask on the forum. | If you have any doubts as to whether a material is suitable, or whether it needs HSS or Carbide Tooling and coolant, please ask on the forum. | ||
| - | ===== Daily Maintenance ===== | + | ===== How to guides ===== |
| - | **Daily maintenance is to be carried out every time you use the lathe.** | + | |
| + | How to use the Tap Follower | ||
| + | |||
| + | How to use the Die Holder | ||
| + | |||
| + | [[equipment: | ||
| + | |||
| + | [[equipment: | ||
| + | ===== Maintenance ===== | ||
| + | Daily maintenance is to be carried out every time you use the lathe. | ||
| + | A some documents and links on how to do things on the lathe. | ||
| [[equipment: | [[equipment: | ||
| - | =====Maintenance Notes and Current To Do list===== | + | ===== Problems |
| - | See the forum thread for the Metal Lathe Team. | + | 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: | ||