Metal
work-holding devices are used for holding objects in position during cutting
operations. They include vices and clamps.
1.Vices: Vices are used for holding heavy jobs. The different types of vices are as follows:
(i). Bench vice: This is a device fastened
to the workbench near its edge, used for all types of heavy work, like filing,
chipping, sawing, etc. eg
(ii).Hand vice: The hand vice is used where
the work piece to be held by the bench vice seems to be too small to be held
conveniently .eg.
(iii). Machine vice: The machine vice is used
for holding work down on the table for the purpose of milling, shaping,
drilling, etc. eg.
2. Clamps: Clamps are handy tools of various
used for smaller articles. They include the following:
(i). Pliers: These are very handy tools of various sizes and shapes used for the general purposes of holding small articles and for cutting small wires. They can also be used for pulling, pushing, turning and twisting.eg.
(i). Pliers: These are very handy tools of various sizes and shapes used for the general purposes of holding small articles and for cutting small wires. They can also be used for pulling, pushing, turning and twisting.eg.
(ii). Toolmaker’s clamp: This is a
clamp used for holding parts together during assembling (coupling parts
together), riveting, clamping work piece during drilling. Eg.
REVIEW QUESTIONS
(i). name
two types of vices used in a metal workshop.
(ii). explain the uses of the vices listed above.
(ii). explain the uses of the vices listed above.
No comments:
Post a Comment