Page 247 - CITS - Fitter Trade Pactical - Volume - 2

FITTER - CITS

Fig 8 Fig 9

Perform work and tool setting

Objectives : At the end of this exercise you shall be able to
• set the work co-ordinate system
• set the tool with respect to the work co-ordinate system
• set the live tool datum.

Procedure

TASK 1: Work co-ordinate setting on the face of chuck (Fig1)
• Set the work piece zero at the chuck face

The work piece will be in 1st quardrant that is z and x values in positive. Generally fixtures are fitted
on the face of the jaw.
• Work co-ordinate on face of jaw (Fig 2)

• Set the work piece on the face of the jaw as shown in Fig 2.
• In this case the x zero and z zero is work piece seating side is/or in the face of jaw
• Work piece coordinate on front face (Fig 3)
• Set the work piece zero as shown in Fig 3
• In this case the work piece in second quardrant, that is x is positive z axis is negative

Fig 1 Fig 2

Fig 3

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CITS : C G & M - Fitter - Exercise 57