Operation BWP Issue 2.pdf - 第9页

Issue 2, Nov 14 9 Objectiv e BWP 4 – Pre-pr oduction checks Reference: Operator best working practices manual It is important to ensu re that the Printer and periphera ls are in a suitable condition for production. This …

Issue 2, Nov 14

Objective OP 4 – Power up, initialise and power down the printer

Reference: Machine Operator manual

The screen printer has a specific power up and power down sequence that should be

followed in order to ensure error free performance and to ensure that data is not lost or

corrupted. Switching power off and then on again is also a method of recovering

from certain error messages.

Preparation

Whilst referring to the procedures in your machine operator manual, observe as your

instructor demonstrates the correct method of powering on, initialising and then powering

off the machine.

Demonstration

 Power on the machine ensuring first that the following conditions have been met:

 Mains voltage is present on the machine

 Compressed air is present on the machine

 All circuit breakers are on

 All covers are closed (and print head is down if appropriate)

 All e-stops are out

 Initialise the machine

 Power down the machine

Question

Q1. Which product file is loaded by default when the machine is first powered on?

A1.

Comment [t1]: Page: 10

The last product file loaded prior to powering off

Issue 2, Nov 14

Objective BWP 4 – Pre-production checks

Reference: Operator best working practices manual

It is important to ensure that the Printer and peripherals are in a suitable condition for

production. This involves performing a quick visual check in and around the printer.

Preparation

Tick off each of the following items as you complete them:

 Refer to the BWP manual and identify the items on and around your printer which

should be inspected prior to production starting

 Complete the table below listing these items and highlighting the checks that should

be made

Item of Hardware

Checks to be made

Demonstration

Having completed the preparation phase, now complete the actions below. Tick off each

item as you complete them:

 Using the BWP manual as a guide perform the pre-production checks

Notes:

Comment [t2]: Page: 11

Temperature Control Unit /

Environmental control unit

Vacuum Unit

Board clamps

Rising Table

Consumables

Comment [t3]: Page: 11

Plugged in,Switched on,Temperature

matches production data sheet,Hose

routed correctly

Plugged in,Switched on

Free from damage,Clean

Surface clean and free from debris

Spare roll next to machine,Adequate

quantity of paste being acclimatised

Issue 2, Nov 14

Objective OP 5 – Prepare the machine for production

Reference: Machine Operator manual, ProFlow best working practices manual

Preparing the machine for production involves a step-by-step sequence. Following the

correct sequence will ensure quick and trouble free product changeovers.

Preparation

Tick off each of the following items as you complete them:

 Whilst discussing the best method of preparing the printer with your instructor review

the set up procedures in your machine operator manual

Demonstration

Given a complete set of production hardware and using the operator manual as a guide,

setup the printer ready for production. Complete the steps in the following order and tick off

each item as you complete them:

 Log on

 Load an existing product file

 Setup tooling

If you are using squeegees …..

 Fit squeegees

 Perform squeegee height calibration

 Load a stencil

 Load print material manually or…

 Load print material using auto dispenser (if available)

If you are using ProFlow …..

 Fit ProFlow

 Load cassette (if applicable)

 Fill re-chargeable head (if applicable)

 Load stencil

 Prime ProFlow