First Test Answers

Question 1

Primary concern fixtures

Answer 1

Safety

Question 2

Keys when designing fixture

Answer 2

Cutting force direction
Machine tool spec
Production quality

Question 3

Form tolerance should be ref. Of datum plane. No exceptions. T or F

Answer 3

False

Question 4

While designing tool always check for

Answer 4

Pending revisions and outdated documents

Question 5

While designing tool

Answer 5

Contact production planning dept equipment availability

Question 6

Jig leg

Answer 6

Can be locator

Question 7

Dual process of positioning work piece relative to work holder and work holder relative to cutting tool

Answer 7

Referencing

Question 8

Locators should

Answer 8

Hold cutting force

Be relieved of chips

Question 9

True fixtures used

Answer 9

Inspection purposes

Question 10

Fixture tolerance usually —– of part tolerance

Answer 10

20-50%

Question 11

Parts can be located from

Answer 11

External profile. Internal diameter. Flat surface

Question 12

Type of locator completely encompasses cylindrical part

Answer 12

Ring nest

Question 13

When using lock screw the slip renewable bushing the shoulder of screw sets clearance btw screw and bushing

Answer 13

True

Question 14

When pin used to locate inside a hole

Answer 14

Pin size should fit the mmc of the hole plus a clearance