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{{thistoolneedsinduction}}
== Introduction ==
[[File:M300Final.jpg|250px|thumb|Harrison M300 Metalworking Lathe]] The Harrison M300 lathe is an educational/Light-duty industrial lathe well suited for our requirements. It has a maximum part diameter of 330mm and a maximum length of 650mm and is designed to work with all standard engineering metals and well as most plastics but please note it is NOT suitable for use with any types of wood because wood fibres are sticky and abrasive so they tend to cause damage to the slideways. Induction is required for all members wanting to use the lathe and this is controlled by a card reader mounted next to the main power switch. The lathe has now also been fitted with a [[Tools/metallathe/DRO|Digital Read-Out (DRO)]] to make it easier to use, it's still settling in and isn't fully accurate yet but it's usable. The instruction manual for the lathe is available [[media:M300Manual.pdf|here]]. The instruction manual for the DRO is [[media:Lathe DRO Manual.pdf|here]], please do not change the settings.
 
__TOC__
 
== Current Status ==
{|class="wikitable" style="margin: auto;"
Line 9 ⟶ 11:
! Date !! Status !! Comment
|-
| 25th23rd OctoberMarch 20192022 || Fully Functional || OilCoolant sealsline repaired, oil levels should be checked from now on.replaced
|}
 
Line 45 ⟶ 47:
| [[File:M3003jaw.jpg]] || 3-Jaw self-centring chuck || Work Holding || Standard chuck for jobs not requiring accurate concentricity || On the Lathe usually, spare jaws in the black cabinet by the tailstock
|-
| [[File:M3004jaw.jpg]] || 4-Jaw independent chuck || Work Holding || For holding odd-shaped workpeicesworkpieces or work where accurate concentricity or offsets are needed - MAXIMUM SPEED 1700rpm || Shelf under lathe
|-
| [[File:M300colletchuck.jpg]] || Collet chuck || Work Holding || For accurate concentricity on round or hexagon workpeicesworkpieces, suitable for high-speed use and small workpeicesworkpieces. Comes with 12 collets and key || RedShelf cupboardunder by fire doorlathe
|-
| [[File:M300faceplate.jpg]] || Faceplate || Work Holding || For very large workpieces, MAXIMUM SPEED 1200rpm and possibly much lower depending on workpiece || Shelf under lathe
Line 53 ⟶ 55:
| [[File:M300catchplate.jpg]] || Catch plate || Work Holding || For turning between centres, maximum speed will depend on workpiece but is usually severely limited. || Shelf under lathe
|-
| [[File:Lathe dogs.jpg]] || Lathe Dogs || Work Holding || Used with the Catch plate to drive the work. Three sizes - 1/2", 3/4" and 1". || In Black metal cabinet near tailstock, top drawer
|-
| [[File:M300travelingsteady.jpg]] || Travelling Steady || Work holding || Stabilizes objects which are thin and long and which have to be parallel-turned. The bolts to attach it to the saddle are duct-taped to it. || ShelfIn underBlack lathemetal cabinet near tailstock
|-
| [[File:Fixed steady.jpg]] || Fixed Steady || Work holding || Holds long workpieces in a fixed location for turning operations in the middle of the work. || In Black metal cabinet near tailstock
Line 61 ⟶ 63:
| [[File:M300millingslide.jpg]] || Milling slide || Work holding || Used when milling small items with a milling cutter mounted in the lathe chuck. Requires mounting holes drilling into cross slide in order to be mounted so not currently usable || Red cupboard by fire door
|-
| [[File:M300keychuck.jpg]] || 16mm Keyed Drill Chuck on 3MT spindle || Tool holding || Used in the tailstock to hold drills for boring out workpeiceworkpiece || InOn Blackrack metalon cabinet near tailstocksplashback
|-
| [[File:M300keylesschuck.jpg]] || 13mm Keyless drill chuck on 3MT spindle || Tool holding || Used in the tailstock to hold drills for boring out workpeiceworkpiece || InOn Blackrack metalon cabinet near tailstocksplashback
|-
| [[File:2mt chuck.jpg]] || 10mm Keyed Drill Chuck on 2MT spindle || Tool holding || Used in the tailstock to hold smaller drills for boring out workpiece || In Black metal cabinet near tailstock, top drawer
|-
| [[File:M300livecentre.jpg]] || Live centre on 3MT spindle || Work holding || Holds the far end of a workpiece steady || InOn Blackrack metalon cabinet near tailstocksplashback
|-
| [[File:2mt live centre.jpg]] || Live centre on 2MT spindle || Work holding || Similar to the 3MT live centre, but for smaller workpieces || In blackBlack metal cabinet near tailstock, top drawer
|-
| [[File:2mt dead centre.jpg]] || Dead centre on 2MT spindle || Work holding || Holds the end of a long workpiece without rotating. Useful for guiding taps and smaller workpieces || InOn blackrack metalon cabinet near tailstocksplashback
|-
| [[File:2mt half dead centre.jpg]] || Half dead centre on 2MT spindle || Work holding || Small dead centre with part of the side ground away to allow a tool to get close theto the end of the workpiece || In black metalOn cabinetrack nearon tailstocksplashback
|-
| [[File:2mt reducer.jpg]] || 3MT to 2MT Sleeve || Work holding || Used to fit 2MT tools into our 3MT tailstock. We have a number of these available. || In blackBlack metal cabinet near tailstock, top drawer
|-
| [[File:M300deadcentre.jpg]] || Dead Centre on 5MT Sleeve || Work holding || Used in head for turning between centers in conjunction with catch plate and dogs || In Black metal cabinet near tailstock, top drawer
|-
| [[File:M300tapguide.jpg]] || Spring loaded tapping guide || Tool holding || Assists in accurate starting of taps into concentric holes || In Black metal cabinet near tailstock, top drawer
|-
| [[File:M300dialind.jpg]] || Dial indicator on magnetic Base || General || For accurately centring work and for general maintenance tasks || OnIn wallBlack mountmetal abovecabinet lathenear tailstock, top drawer
|-
| [[File:M300LEDLamp.jpg]] || LED lamp on magnetic base || General || Lighting up work! || On lathe
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| [[File:M300oilcan.jpg]] || Small red oil can || Consumable || Contains ISO-68 lubricating oil to maintain the lathe, not to be used as cutting fluid || Tool-tray on Lathe
|-
| [[File:M300dieholder.jpg]] || Floating Die-holder set || Tool Holding || Holds dies to allow accurate production of externally threaded parts || ShelfIn underBlack Lathemetal cabinet near tailstock, third drawer▼
| [[File:M300CT90.jpg]] || White squeeze bottle || Consumable || Contains cutting fluid for use when turning, currently filled with CT-90 fluid suitable for use on all metals, use often but sparingly || Tool-tray on Lathe
|-
▲| [[File:M300dieholder.jpg]] || Floating Die-holder set || Tool Holding || Holds dies to allow accurate production of externally threaded parts || Shelf under Lathe
|-
| [[File:M300bedprotect.jpg]] || Bed Protector || General || Used to protect the bed from damage if a chuck is dropped while changing and to shield it from abrasive particles when polishing a workpiece || On wall above lathe
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Parts and upgrades that are planned/Budgeted/Purchased for in the near future
 
* Induction card reader
* 2-Axis DRO
* Machining assistance touchscreen terminal
* Proper oil drain tap for main gearbox, Steve-R to make
 
== Lathe Caretakers ==
Line 109 ⟶ 106:
! Name/Contact !! Induction levels provided !! Notes
|-
| SteveJames-RM || 1,2,3 ||
|-
| Ian-PTim Endean || 1 || Only does 1-to-1 sessions
|-
| Arthur-P || 1 || Currently on haitus, busy being a pirate
|-
| James-M || 1 ||
|}
 
=== Workshops ===
The following workshops are available that heavily feature the metal lathe
 
* [[workshops/Spinning top|Spinning Top]]
 
=== Maintainers ===
Line 127 ⟶ 120:
|-
! Name !! Notes
|-
| [[User:Stever|Steve-R]] ||
|-
| [[User:Jmf|James-M]] ||
Line 138 ⟶ 129:
[[Category:tools]]
 
* Make and fit another new coolant line adapter, trying PETg this time to see if that works better [[User:Stever|Stever]] ([[User talk:Stever|talk]]) 22:19, 15 April 2022 (BST)
* Reprint and fit replacement coolant line adapter [[User:Stever|Stever]] ([[User talk:Stever|talk]]) 12:01, 23 March 2022 (UTC)
* Realign tailstock to remove taper [[User:Stever|Stever]] ([[User talk:Stever|talk]]) 18:51, 4 January 2022 (UTC)
* Change oil in main gearbox, open up casing and clean oil galleries, check spindle bearing play (3um) [[User:Stever|Stever]] ([[User talk:Stever|talk]]) 16:13, 10 November 2021 (UTC)
* Fit new 2-axis DRO, Mike-C and [[User:Stever|Stever]] ([[User talk:Stever|talk]]) 16:13, 10 November 2021 (UTC)
* Recut 3-jaw chuck [[User:Stever|Stever]] ([[User talk:Stever|talk]]) 16:03, 8 October 2021 (BST)
* Installed card reader [[User:Stever|Stever]] ([[User talk:Stever|talk]]) 16:09, 29 September 2021 (BST)
* Rebuild 3-jaw chuck [[User:Stever|Stever]] ([[User talk:Stever|talk]]) 16:51, 26 July 2021 (BST)
* Top up main gearbox oil, oil all standard oiling points, clean and re-lube leadscrew and feed rod [[User:Stever|Stever]] ([[User talk:Stever|talk]]) 12:08, 27 May 2021 (BST)
* Top up apron oil [[User:Stever|Stever]] ([[User talk:Stever|talk]]) 18:07, 19 May 2021 (BST)
* Coolant level sensor fitted. [[User:Stever|Stever]] ([[User talk:Stever|talk]]) 19:11, 28 June 2020 (UTC)
* Deep clean and re-lubricate all ways [[User:Stever|Stever]] ([[User talk:Stever|talk]]) 17:29, 16 May 2020 (UTC)
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<gallery mode="packed">
File:M300slideshow1.jpg|A spinning top being turned from the [[workshops/Spinning top|spinning top workshop]]
File:M300slideshow2.jpg|Turning using the collet chuck
File:M300slideshow3.jpg|Feedrate table for the lathe, [[Tools/metallathe/induction|level-2 induction]] is needed to use this
File:Lathe_dro.jpg|The lathe DRO
File:M300slideshow4.jpg|Lee working on his spinning top
File:M300slideshow5.jpg|The inside of the lathe's screwcutting gearbox
File:Turningbetweencenters.JPG| Turning a long shaft between centers
File:hardturning.JPG|Turning a hardened steel circular saw blade held on the face-plate using a CBN insert
File:Lampvidthumbnail.jpg|Circular Saw Table Lamp which features the lathe a lot|link=https://www.youtube.com/watch?v=ANH9uDAkPFE
File:Hardturningthumbnail.jpg|Demonstration of turning hardened steel|link=https://www.youtube.com/watch?v=Dj0BQDkcmeo
File:Beforeskimming.jpg|A brake disc before being skimmed
File:Closeup1.jpg|Skimming a cast iron brake rotor with WNMG carbide insert
File:Finishedview.jpg|A finished brake disc fully cleaned up
</gallery>
Timendean
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