Unit 7: Machining Techniques - Scheme of work (Version 1 ...
Scheme of work
Guided learning hours (GLH): 60
Number of lessons: 30
Duration of lessons: 2 hours
Learners should spend lesson time and non-supervised time working on assignments.
This Scheme of work is provided to help you make the most of your planning time. Customise this by adding your own activities/lesson ideas to the ‘Activities’ column
|Lesson |Unit content* |Activities |Resource checklist |Links to other units |
|1 |Unit introduction |Teacher presentation (approx. 10 minutes) – outline the nature of |Specification – learning aims, unit|Unit 2 Investigating an |
| | |the learning aims and the number of assignments that learners will |content and assessment criteria |Engineered Product (Topic A1) |
| | |be expected to complete. |Centre-devised assignments. | |
| | | |Alternatively, use authorised | |
| | | |assignments from Pearson | |
|Learning aim A: Select and use tools and work-holding devices for drilling and for turning or milling |
|1 |Topic A1: Tools |Teacher presentation on tools for turning and milling. | | |
|(cont.) |Tools for drilling techniques – simple tools, e.g. |Individual activity: ask learners to match the correct tool to a | | |
| |centre drill, drill bit; more complex tools, e.g. |range of descriptions. | | |
| |flat-bottomed drill, counterboring tool, countersinking|Paired activity using artefacts/research and identifying them in | | |
| |tool, reamer, tap |terms of purpose, size and use. | | |
|2 |Topic A1 cont. |Show video/DVD of use of a variety of turning tools |Video/DVD of turning techniques | |
| |Tools for turning techniques – simple tools, e.g. |Paired activity using artefacts and identifying them in terms of |(teacher to research appropriate | |
| |turning tools, facing tools; more complex tools, e.g. |purpose, size and use. |video) | |
| |form tools, parting off tools, single point threading, | | | |
| |boring bar, recessing tool, centre drill, twist drill, | | | |
| |reamer, tap, die, knurling tool | | | |
|3 |Topic A1 cont. |Show video/DVD of use of a variety of milling tools. |Video/DVD of milling techniques | |
| |Tools for milling techniques – simple tools, e.g. face |Paired activity using artefacts and identifying them in terms of |(teacher to research appropriate | |
| |mills, end mills; more complex tools, e.g. slot drills,|purpose, size and use. |video) | |
| |slotting cutters, slitting saws, profile cutters, | | | |
| |twist drills, reamer, boring tools | | | |
|4 |Topic B4: Working safely |Teacher demonstration in a workshop environment of risks and |Personal protective equipment (PPE)|Unit 3: Health and Safety in |
| |General safety awareness while carrying out drilling |hazards in an engineering workshop. |Risk assessment form (suitable form|Engineering (Topics A1 and A2) |
| |and turning or milling techniques, including: |Teacher presentation in a workshop environment of how to assess |to be supplied by teacher) | |
| |alertness to moving parts |risks and eliminate or manage hazards. | | |
| |ensuring machine guards are in place |Paired activity – individual machine assessments, identifying safe | | |
| |use of emergency stop |working methods. | | |
| |machine isolation |Learners to work to complete risk assessments for given machines. | | |
| |wearing appropriate personal protective equipment (PPE)| | | |
| |keeping a clean and tidy work area | | | |
| |removing burrs or sharp edges | | | |
| |identification of risks, associated hazards and their | | | |
| |control. | | | |
|5 |Topic B4 cont. |Teacher demonstration in a workshop environment of specific issues |Personal protective equipment (PPE)|Unit 3: Health and Safety in |
| |Safe working practices relevant to drilling and turning|for each machine, demonstrating safe working practice. |Engineering workshop |Engineering (Topics B1, B2 and |
| |or milling techniques: |Small-group activity checking machines, cleaning and setting. | |B3) |
| |For drilling – handling drilling tools, tool breakage |Pair activity: Learners produce posters detailing safe working | | |
| |procedure, swarf handling and disposal, cutting fluids |practices for each of the given categories. | | |
| |For turning – handling turning tools, tool breakage | | | |
| |procedure, swarf handling and disposal, backlash in | | | |
| |machine slides, cutting fluids | | | |
| |For milling – handling milling tools, tool breakage | | | |
| |procedure, swarf handling and disposal, backlash in | | | |
| |machine slides, cutting fluids. | | | |
|6 |Topic A1: Tools |Teacher demonstration in a workshop environment of different |Tooling and workpiece materials |Unit 5: Engineering materials |
| |Tooling materials – high speed steel, cobalt steel, |materials used for specific tools and their use with different |Engineering workshop |(Topics A1 and A2) |
| |tungsten carbide, diamond |workpiece materials. | | |
| | |Teacher- led matching exercise –present tools to learners to | | |
| | |identify and match to specific materials/components. | | |
| | |Individual activity – allow learners to take photographs of | | |
| | |work-holding devices in use. | | |
|7 |Topic A2: Work-holding devices |Teacher demonstration in a workshop environment of specific |Personal protective equipment (PPE)|Unit 1: The Engineered World |
| |Work-holding devices for drilling – simple work-holding|work-holding devices used in drilling. |Engineering workshop |(Topics A3 and A4) |
| |device, e.g. machine vice; more complex work-holding |Paired activity – selecting and securing workpieces, in preparation| |Unit 5: Engineering materials |
| |devices, e.g. clamping direct to machine table, angle |for drilling, using a variety of work-holding devices. | |(Topics B1 and B3) |
| |plate, vee block and clamps |Individual activity – allow learners to take photographs of | | |
| | |work-holding devices in use. | | |
|8 |Topic A2 cont. |Teacher demonstration in a workshop environment of specific |Personal protective equipment (PPE)| |
| |Work-holding devices for turning – simple work-holding |work-holding devices used in turning. Allow learners to take |Engineering workshop | |
| |device, e.g. three jaw chuck with hard jaws; more |photographs of work-holding devices in use. | | |
| |complex work-holding devices, e.g. four jaw chuck with |Paired activity – selecting and securing workpieces, in preparation| | |
| |hard jaws, centres (live or dead), faceplate, fixed |for turning, using a variety of work-holding devices. | | |
| |steady or travelling steady | | | |
|9 |Topic A2 cont. |Teacher demonstration in a workshop environment of specific |Personal protective equipment (PPE)| |
| |Work-holding devices for milling – simple work-holding |work-holding devices used in milling. |Engineering workshop | |
| |device, e.g. machine vice; more complex work-holding |Individual activity – allow learners to take photographs of | | |
| |devices, e.g. clamping direct to machine table, angle |work-holding devices in use. | | |
| |plate, vee block and clamps, indexing head/device, |Paired activity – selecting and securing workpieces, in preparation| | |
| |rotary table |for milling, using a variety of work-holding devices. | | |
|10 |Topic A1/A2 cont. |Teacher demonstration in a workshop environment of specific |Personal protective equipment (PPE)| |
| |Tools for specific techniques: drilling – simple tools,|drilling techniques with straightforward workpieces. |Engineering workshop | |
| |e.g. centre drill, drill bit; more complex tools, e.g. |Individual activity – securing workpieces and completing drilling |Measuring tools/equipment | |
| |flat-bottomed drill, counterboring tool, countersinking|techniques under close supervision. | | |
| |tool, reamer, tap |Individual activity – allow learners to take photographs of | | |
| |Work-holding devices for drilling – simple work-holding|drilling operations. | | |
| |device, e.g. machine vice; more complex work-holding | | | |
| |devices, e.g. clamping direct to machine table, angle | | | |
| |plate, vee block and clamps | | | |
|11 |Topic A1/A2 cont. |Teacher demonstration in a workshop environment of specific turning|Personal protective equipment (PPE)| |
| |Tools for specific techniques: turning – simple tools, |techniques using straightforward workpieces including work-holding |Engineering workshop | |
| |e.g. turning tools, facing tools; more complex tools, |required. |Measuring tools/equipment | |
| |e.g. form tools, parting off tools, single point |Individual activity – securing workpieces and completing turning | | |
| |threading, boring bar, recessing tool, centre drill, |techniques under close supervision. | | |
| |twist drill, reamer, tap, die, knurling tool |Individual activity – allow learners to take photographs of turning| | |
| |Work-holding devices for turning – simple work-holding |operations. | | |
| |device, e.g. three jaw chuck with hard jaws; more | | | |
| |complex work-holding devices, e.g. four jaw chuck with | | | |
| |hard jaws, centres (live or dead), faceplate, fixed | | | |
| |steady or travelling steady | | | |
|12 |Topic A1/A2 cont. |Teacher demonstration in a workshop environment of specific milling|Personal protective equipment (PPE)| |
| |Tools for specific techniques: milling – simple tools, |techniques using straightforward workpieces. Individual activity – |Engineering workshop | |
| |e.g. face mills, end mills; more complex tools, e.g. |securing workpieces and completing milling techniques under close | | |
| |slot drills, slotting cutters, slitting saws, profile |supervision. | | |
| |cutters, twist drills, reamer, boring tools |Individual activity – allow learners to take photographs of milling| | |
| |Work-holding devices for milling – simple work-holding |operations. | | |
| |device, e.g. machine vice; more complex work-holding | | | |
| |devices, e.g. clamping direct to machine table, angle | | | |
| |plate, vee block and clamps, indexing head/device, | | | |
| |rotary table | | | |
|13-15 |Assignment 1 Tasks for 2A.P1, 2A. P2, 2A.P3, 2A.M1 and |Teacher presentation – overview of assignment requirements, nature |Use centre-devised assignment or | |
| |2A.D1 |of assessment and time line for completion/submission. |the authorised assignment from | |
| |Use centre-devised assignment. |Individual activity using tools and work-holding devices and | |
| |Alternatively, use the authorised assignment from |collating evidence of appropriate use: Learners should spend |2012/engineering: Work-holding | |
| | |session time working on this assignment. |Devices and the Use/Types of | |
| |Work-holding Devices and the Use/Types of Machining |Learners should spend session time working on this assignment. |Machining Tools | |
| |Tools. |Learners should be encouraged to spend non-supervised time |Personal protective equipment (PPE)| |
| | |completing activities such as research. However all non–supervised |Engineering workshop | |
| | |activities linked to assessment should be carefully checked for |Measuring tools/equipment | |
| | |authenticity. | | |
|Learning aim B: Make workpieces using drilling and turning or milling techniques safely |
|16 |Topic B1: Features of the workpiece |Teacher demonstration in a workshop environment of specific |Personal protective equipment (PPE)|Unit 2: Investigating an |
| |Use of techniques for producing features in a |drilling techniques to produce specific features |Engineering workshop |Engineered Product (Topics C1 and|
| |workpiece: drilling – simple features, e.g. through |on a workpiece. | |C3) |
| |holes, blind holes; more complex features, e.g. |Individual activity – securing specific workpieces and completing | |Unit 5: Engineering materials |
| |flat-bottomed holes, counterbored holes, |drilling techniques in order to achieve specific features. | |(Topics B1 and B3) |
| |countersinking, reaming, tapping |Individual activity – allow learners to take photographs of | | |
| | |specific drilling techniques | | |
|17 |Topic B1 cont. |Teacher demonstration in a workshop environment of specific turning|Personal protective equipment (PPE)|Unit 2: Investigating an |
| |Use of techniques for producing features in a |techniques to produce specific features |Engineering workshop |Engineered Product (Topics C1 and|
| |workpiece: turning – simple features, e.g. flat faces, |on a workpiece. |Measuring tools/equipment |C3) |
| |parallel diameters; more complex features, e.g. stepped|Individual activity – securing specific workpieces and completing | |Unit 5: Engineering materials |
| |diameters, tapered diameters, drilled holes, bored |turning techniques in order to achieve specific features. | |(Topics B1 and B3) |
| |holes, reamed holes, profile forms, internal threads, |Individual activity – allow learners to take photographs of | | |
| |external threads, parting off, chamfers, knurls, |specific turning techniques | | |
| |grooves, undercuts | | | |
|18 |Topic B1 cont. |Teacher demonstration in a workshop environment of specific milling|Personal protective equipment (PPE)|Unit 2: Investigating an |
| |Use of techniques for producing features in a |techniques to produce specific features |Engineering workshop |Engineered Product (Topics C1 and|
| |workpiece: milling – simple features, e.g. flat faces, |on a workpiece. |Measuring tools/equipment |C3) |
| |square faces; more complex features, e.g. parallel |Individual activity – securing specific workpieces and completing | |Unit 5: Engineering materials |
| |faces, angular faces, steps/shoulders, open-ended |milling techniques in order to achieve specific features. | |(Topics B1 and B3) |
| |slots, enclosed slots, recesses, tee slots, drilled |Individual activity – allow learners to take photographs of | | |
| |holes, bored holes, profile forms, serrations, indexed |specific milling techniques | | |
| |or rotated forms | | | |
|19 |Topic B2: Machining parameters |Teacher presentation in a workshop environment of setting specific |Personal protective equipment (PPE)|Unit 2: Investigating an |
| |Parameters for drilling techniques – positional, e.g. |drilling parameters. |Engineering workshop |Engineered Product (Topics C1 and|
| |position of workpiece, position of tool in relationship|Individual activity – calculating drilling speed/feed rates. |Measuring tools/equipment |C3) |
| |to workpiece; dynamic, e.g. tooling revolutions per | | | |
| |minute (speed), linear feed rate (feed), swarf | | | |
| |clearance | | | |
|20 |Topic B2 cont. |Teacher demonstration in a workshop environment of setting specific|Personal protective equipment (PPE)| |
| |Parameters for drilling techniques – positional, e.g. |drilling parameters to include positional considerations. |Engineering workshop | |
| |position of workpiece, position of tool in relationship|Individual activity – produce a planning sheet for a drilling | | |
| |to workpiece; dynamic, e.g. tooling revolutions per |operation requiring simple and complex features/techniques. | | |
| |minute (speed), linear feed rate (feed), swarf |Individual activity – setting correct speeds/feeds and producing | | |
| |clearance |specific features on given workpieces using specific machining | | |
| | |parameters. | | |
|21 |Topic B2 cont. |Teacher presentation in a workshop environment of setting specific |Personal protective equipment (PPE)| |
| |Parameters for turning techniques – positional, e.g. |turning parameters. |Engineering workshop | |
| |position of workpiece, position of tools in |Individual activity – calculating turning speed/feed rates. | | |
| |relationship to workpiece; dynamic, e.g. workpiece | | | |
| |revolutions per minute (speed), linear feed rate | | | |
| |(feed), depth of cut for roughing and finishing, swarf | | | |
| |clearance | | | |
|22 |Topic B2 cont. |Teacher demonstration in a workshop environment of setting specific|Personal protective equipment (PPE)| |
| |Parameters for turning techniques – positional, e.g. |turning parameters, to include positional considerations. |Engineering workshop | |
| |position of workpiece, position of tools in |Individual activity – setting correct speeds/feeds and producing |Measuring tools/equipment | |
| |relationship to workpiece; dynamic, e.g. workpiece |specific features on given workpieces using specific machining | | |
| |revolutions per minute (speed), linear feed rate |parameters. | | |
| |(feed), depth of cut for roughing and finishing, swarf | | | |
| |clearance | | | |
|23 |Topic B2 cont. |Teacher presentation in a workshop environment of setting specific |Personal protective equipment (PPE)| |
| |Parameters for milling techniques – positional, e.g. |milling parameters. | | |
| |position of workpiece, position of tools in |Individual activity – calculating milling speed/feed. |Engineering workshop | |
| |relationship to workpiece; dynamic, e.g. milling cutter| |Measuring tools/equipment | |
| |revs per minute (speed), linear/table feed rate (feed),| | | |
| |depth of cut for roughing and finishing, swarf | | | |
| |clearance | | | |
|24 |Topic B2 cont. |Teacher demonstration in a workshop environment of setting specific|Personal protective equipment (PPE)| |
| |Parameters for milling techniques – positional, e.g. |milling parameters, to include positional considerations. |Engineering workshop | |
| |position of workpiece, position of tools in |Individual activity – setting correct speeds/feeds and producing |Measuring tools/equipment | |
| |relationship to workpiece; dynamic, e.g. milling cutter|specific features on given workpieces using specific machining | | |
| |revs per minute (speed), linear/table feed rate (feed),|parameters. | | |
| |depth of cut for roughing and finishing, swarf | | | |
| |clearance | | | |
|25 |Topic B3: Checks for compliance and accuracy |Teacher presentation in a workshop environment of using specific |Personal protective equipment (PPE)|Unit 2: Investigating an |
| |Checks for accuracy relevant to drilling techniques – |and general techniques for checking drilled workpieces. |Engineering workshop |Engineered Product (Topics D1 and|
| |visual checks, e.g. workpiece to be free from false |Paired activity – checking drilled artefacts for compliance, |Measuring tools/equipment |D2) |
| |tool cuts, burrs and sharp edges removed; specific |including visual and specific checks. | | |
| |checks, e.g. dimensional tolerance equivalent to BS EN |Individual activity – allow learners to take photographs of visual | | |
| |22768-1 or BS 4500, surface texture 1.6μm (63 μin), |and specific checking of drilled workpieces. | | |
| |reamed holes within H8, screw threads BS medium fit | | | |
|26 |Topic B3 cont. |Teacher presentation in a workshop environment using specific and |Personal protective equipment (PPE)|Unit 2: Investigating an |
| |Checks for accuracy relevant to turning techniques – |general techniques for checking turned workpieces. |Engineering workshop |Engineered Product (Topics D1 and|
| |visual checks, e.g. workpiece to be free from false |Paired activity – checking turned artefacts for compliance. |Measuring tools/equipment |D2) |
| |tool cuts, burrs and sharp edges removed; specific |Individual activity – allow learners to take photographs of visual | | |
| |checks, e.g. dimensional tolerance equivalent to BS EN |and specific checking of turned workpieces. | | |
| |22768-1 or BS 4500, surface finish 1.6μm (63 μin), | | | |
| |reamed or bored holes within H8, screw threads BS | | | |
| |medium fit, angles within +/- 1.0 degree | | | |
|27 |Topics B.3 cont. |Teacher presentation in a workshop environment of using specific |Personal protective equipment (PPE)|Unit 2: Investigating an |
| |Checks for accuracy relevant to milling techniques – |and general techniques for checking milled workpieces. |Engineering workshop |Engineered Product (Topics D1 and|
| |visual checks, e.g. workpiece to be free from false |Paired activity – checking milled artefacts for compliance. |Measuring tools/equipment |D2) |
| |tool cuts, burrs and sharp edges removed; specific |Individual activity – allow learners to take photographs of visual | | |
| |checks, e.g. dimensional tolerance equivalent to BS EN |and specific checking of milled workpieces. | | |
| |22768-1 or BS 4500, surface finish 1.6μm (63 μin), | | | |
| |flatness and squareness within 0.125mm per 25mm, angles| | | |
| |within +/- 1.0 degree | | | |
|28-30 |Assignment 2 Tasks for 2B.P4, 2B.P5, 2B.P6, 2B.P7, |Teacher presentation – overview of assignment requirements, nature |Centre devised assignment | |
| |2B.M2, 2B.M4, 2B.D2 |of assessment and time line for completion/submission. |Personal protective equipment (PPE)| |
| |Use centre-devised assignment. |Individual activity – using tools and work-holding devices and |Measuring tools/equipment | |
| | |collating evidence of appropriate use in production of specific |Engineering workshop | |
| | |features on a workpiece using drilling and milling or turning | | |
| | |techniques. | | |
| | |Learners should spend session time working on this assignment. | | |
| | |Learners should be encouraged to spend non-supervised time | | |
| | |completing activities such as research. However all non–supervised | | |
| | |activities linked to assessment should be carefully checked for | | |
| | |authenticity. | | |
|TOTAL: 60 hours |
* See the specification for full details of unit content.
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BTEC First Engineering
Unit 7: Machining Techniques
2
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