10170 version 4
28-Jun-16
1 of 4
ANCILLARY FOOTWEAR TRADES AND
MACHINE MAINTENANCE
Fit stays and weld up knives
level:
3
credit:
12
planned review date:
November 2005
sub-field:
Footwear and Leather Trades
purpose:
People credited with this unit standard are able to: select
stay position on knife and cut stay steel; fit stay to knife and
trim surplus knife steel; weld up knives; and complete
documentation.
entry information:
Recommended: Unit 2670, Avoid welding hazards with safe
work practices and Unit 2672, Weld steel up to 6mm thick
with the gas metal arc welding process, or demonstrate
equivalent knowledge and skills.
accreditation option:
Evaluation of documentation and visit by NZQA and industry.
moderation option:
A centrally established and directed national moderation
system has been set up by Competenz.
special notes:
1
Company safety requirements must conform to the
Health and Safety in Employment Act 1992, the Health
and Safety in Employment Regulations 1995, and their
subsequent amendments.
2
This unit standard refers exclusively to making knives
using various widths and thicknesses of 'pre-sharpened
cold bend knife blade steel' (knife steel). Common
widths are, 19mm, 23.8mm, 32mm, 50mm. This unit
standard is not applicable to making 'forge steel knives'
or knives from 'rule steel'.
 New Zealand Qualifications Authority 2016
10170 version 4
28-Jun-16
2 of 4
ANCILLARY FOOTWEAR TRADES AND
MACHINE MAINTENANCE
Fit stays and weld up knives
Elements and Performance Criteria
element 1
Select stay position on knife and cut stay steel.
performance criteria
1.1
Stay steel is selected in accordance with knife type, order specification and/or
company requirement.
1.2
Height block is selected according to company practice and/or order
specification.
1.3
Stay position is identified and stay steel marked according to company practice
and/or order specification.
1.4
Stay steel is cut and ground to marks in accordance with company practice.
Range:
1.5
clean cut, required angle, economical use of steel, exhaustive use
of short pieces.
Work practices meet company safety requirements.
element 2
Fit stay to knife and trim surplus knife steel.
performance criteria
2.1
Knife is secured on magnetised table according to company practice.
2.2
Height block is positioned according to identified stay position.
2.3
Stay is positioned to knife and checked to company tolerance.
2.4
Rejected stays are reground to match company tolerance.
2.5
Surplus knife steel is trimmed in accordance with company practice.
 New Zealand Qualifications Authority 2016
10170 version 4
28-Jun-16
3 of 4
ANCILLARY FOOTWEAR TRADES AND
MACHINE MAINTENANCE
Fit stays and weld up knives
2.6
Stays and open end of knife are temporarily spot welded in accordance with
company practice.
Range:
height, well secured, flat, no overheating of blade steel.
2.7
Knives are checked against patterns to company tolerance.
2.8
Rejected knives are modified and/or returned to previous operator according to
company practice to match pattern to company tolerances.
2.9
Work practices meet company safety requirements.
element 3
Weld up knives.
performance criteria
3.1
Welding equipment is set up to match knife type and according to company
practice.
Range:
3.2
Knives are positioned and secured on welding table according to company
practice.
Range:
3.3
spray, dip solution.
Stays are welded in accordance with company practice.
Range:
3.5
table clean, flat to table, well secured.
Anti slag solution is applied in accordance with company practice.
Range:
3.4
weld time, wire speed, voltage, gas pressure.
neat, secure, no overheating, weld penetration.
Knife steel is welded in accordance with company practice.
Range:
neat, secure, not on knife edge bevel, no overheating, weld
penetration.
 New Zealand Qualifications Authority 2016
10170 version 4
28-Jun-16
4 of 4
ANCILLARY FOOTWEAR TRADES AND
MACHINE MAINTENANCE
Fit stays and weld up knives
3.6
Work practices meet company safety requirements.
element 4
Complete documentation.
Range:
accuracy, legibility.
performance criteria
4.1
Time spent is entered on company document in accordance with company
practice.
4.2
Material used is entered on company document in accordance with company
practice.
Comments on this unit standard
Please contact Competenz info@competenz.org.nz if you wish to suggest changes to the
content of this unit standard.
Please Note
Providers must be accredited by the Qualifications Authority or a delegated interinstitutional body before they can register credits from assessment against unit standards
or deliver courses of study leading to that assessment.
Industry Training Organisations must be accredited by the Qualifications Authority before
they can register credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit
standards must engage with the moderation system that applies to those standards.
Accreditation requirements and an outline of the moderation system that applies to this
standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP also includes useful information about special requirements for providers wishing to
develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
This unit standard is covered by AMAP 0030 which can be accessed at
http://www.nzqa.govt.nz/framework/search/index.do.
 New Zealand Qualifications Authority 2016