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PEDS 6032 > Pedorthic Manufacturing Lab > Flashcards

Pedorthic Manufacturing Lab Flashcards

1
Q

Oven

A

Essential

Heat thermoplastics, rubbers, foams to working temperature for thermal molding.

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2
Q

Thermal molding

A

Essential

One of first steps in manufacturing: create shell or base of orthotic.

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3
Q

Vacuum press

A

Essential

Used in conjunction with oven; press thermoplastic and other heat moldable materials to a cast/mold of patient’s foot

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4
Q

Band saw

A

Essential

Long continuous blade of metal stretched between two tensioned wheels; cut larger/thicker/heavier materials. Often used to split sole of shoe for modification.

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5
Q

Grinder (general)

A

Essential

Grind plane and modify all types of material in all stages of manufacturing.

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6
Q

Belt style grinder

A

Long sanding belt tensioned between two wheels for continuous joint grinding surface
Accessories permit use from rough shaping process through to buffing and finishing
MULTIPLE sanding belts and accessory wheels attached to main spindle
Self contained dust collection system

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7
Q

Barrel grinder

A

Single unit, single barrel on a spindle

May or may not have self-contained dust collection system (external setup if absent)

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8
Q

Wire brush

A

Grinder accessory: coarsely abrade or remove material from hard surfaces

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9
Q

Scotch Brite buffing wheel

A

Grinder accessory: buff and smooth rough surfaces during finishing process

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10
Q

Polishing/Finishing wheels

A

Grinder accessory: Cotton/horsehair polishing wheels
Nylon/wool/felt finishing wheels
Used in shoe modification and cleaning/finishing a shoe

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11
Q

Fume hood

A

Essential (or Downdraft table)

Gluing station: area in which solvent-based glues used safely; pulls fumes up and out through external exhaust system

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12
Q

Downdraft table

A

Essential (or fume hood)

Gluing station: area in which solvent-based glues used safely; uses downward suction to pull fumes down and out through external exhaust system

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13
Q

Advantage of downdraft table vs fume hood

A

Vapours from solvent based glues often heavier than air; more effectively pulled down (downdraft) than up (fume hood)

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14
Q

Dremel

A

Essential

Rotary tool: grinding, buffing, sanding, shaping in finer detail; excavations, bevelling holes, other small changes to orthosis

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15
Q

Basic hand tools: scissors, utility blades, shears

A

Essential

Cut away excess material, split or cut shoes, fitting process of orthotic into footwear

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16
Q

Basic hand tools: Calipers

A

Essential

Precisely measure, compare, or replicate thickness of materials or additions

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17
Q

Basic hand tools: Heat gun

A

Essential

Used in both manufacturing and deconstruction of orthoses/footwear; commonly in finishing stage for materials where oven is too much heat; adhere cushioning laters, top covers, additions; splitting shoe sole, altering orthotic for adjustment

18
Q

Table saw

A

cutting larger stock of material into smaller pieces; large sheets from distributor cannot be safely cut with band saw alone

19
Q

Material blanks

A

Smaller or more manageable pieces of an originally large sheet of material from distributor

20
Q

Thickness planer

A

Abrading large surfaces/thermoplastics, thinning larger stock material; also found in woodworking

21
Q

CAD/CAM mill

A

produce milled orthoses in clinics using computer-aided design/manufacturing system

22
Q

Milled vs vacuum-formed

A 
Milled = no physical mold; virtual mold after scan, correct, store image of cast; can be more rigid or thinner
Vacuum-formed = physical mold; widest variety of orthotic modification
23
Q

Shoe press

A

Non-essential: firmly press sole of shoe to upper; used when applying a lift or another outsole modification to a shoe; manual or hydraulic

24
Q

Belt sander

A

Plane an orthoses evenly along large surface; obtain flat, even surface along base of orthosis

25
Q

Shoe stretcher

A

In clinic and in lab; increase width, depth, seam flexibility; spot stretch upper of shoe for deformity

26
Q

Thermoplastics

A

Core material category
High density polyethylene (HPDE), polypropylene
Fabrication of orthotic shell

27
Q

Urethanes

A

And foams: Core material category
Plastazote, p-cell, poron, aliplast, neolon
Top covers or cushioning layers

28
Q

Ethylene vinyl acetate (EVA)

A

Wide variety of purposes

Orthotic shells, posting, heel/shoe lifts, additions, modifications, metatarsal bars

29
Q

Cork

A

Core material category
Natural/synthetic for posting
Accommodative orthotic shell, other

30
Q

Carbon fibre composites

A

Core material category

Firmest orthotic shells, foot/toe plates

31
Q

Specialty materials

A

Core material category
Silicone, fabrics, leather, etc
Top cover, interface between orthotic and foot
Silicone: cushioning, accommodative purposes

32
Q

Pre-fabricated components

A

Core material category

Metatarsal pads, scaphoid pads, neuroma pads, heel lifts/wedges

33
Q

Durometer

A

Key material property

Surface resistivity or material hardness

34
Q

Durometer 15 or 20

A

Low = cushioning

35
Q

Durometer 60 or 70

A

High = footwear modifications, shoe lifts

36
Q

Thickness

A

Key material property
Most often measured in mm or inches
Sometimes described in irons

37
Q

48 iron

A

25.4mm = 1 inch

38
Q

Heating/working time

A

Key material property

Manufacturer’s guideline on how long to heat a material in order for it to be workable

39
Q

Colour, size, quantity

A

material properties

40
Q

WHMIS

A

Workplace Hazardous Materials Information System

Canada’s national hazard communication standard; ensure workers receive health and safety information about hazardous products they may be exposed to in their workplace

41
Q

Employee’s WHIMIS duty

A

responsible for taking training and necessary measures to protect themselves and co-workers, identify and control hazardous materials

42
Q

Employer’s WHIMIS duty

A

Ensure hazardous materials are properly labeled, to have safety data sheets available, to offer education/training about products in the workplace

PEDS 6032 (5 decks)

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