Southern Machinery

The following procedure explains how to set up the head drive home pulse
with respect to the vertical and theta axes and the limit position.
Prerequisites:
Timing belts are removed
Tools:
MTR Home Pulse Setup Fixture
Comments:
This procedure is only used when setting the machine up at the factory or
when replacing the timing belt or motor in the field. Timing belts are to be
inspected on an annual basis.
This process is written for the use of both the manufacturing factory (place of
origin) technician performing the adjustment on the bench and the field
technician performing the adjustment at the customer's site.
The goal of this procedure is to position the head vertical at its negative limit
and the head theta at a point between its positive and negative limit
establishing the optima home pulse location, relevant to these limits.
Failure to properly perform this setup results in the machine not zeroing
properly.

Procedure:

1.Power down the machine and perform Lockout/Tagout according to local procedures.

 

2.Insert the setup fixture so it positions the head to the negative vertical
limit, and the head theta between its positive and negative limit.

 

3.Loosen the 4 motor mounting bolts and slide the motor up against the
tension spring. Hold it in position and retighten two of the bolts.

4.Slip the belt off the pulleys. Rotate the head theta motor shaft so that
the mark on the top of the shaft lines up with cables exiting the motor
housing, then rotate the shaft clockwise approximately 20 degrees
further.
5.Attach the belt to the pulleys while holding the motor shaft in
position.
6.Loosen the head theta motor mounting screws to allow the tension
spring to slide the motor into position. Retighten the motor mounting
screws.
7.Loosen the head vertical motor mounting screws and slide the motor up
against the tension spring using the jacking screw.

 

 

8.Rotate the head vertical motor shaft so the mark (or keyway, if no mark
exists) on top of the shaft lines up between case mounted connectors of
motor housing.
9.Attach the belt to the pulley while holding the motor shaft in position.
10.Loosen the head vertical motor mounting screws to allow tension
spring to slide the motor into position. Retighten the motor mounting
screws .
11.Remove the setup tool.

 

 

 

 

 

End of procedure

 

Prerequisites:
Drawing of the Radial Insertion Head Assembly
Electrical Wires Disconnected
Insertion Head Tooling has been removed
Comments:
This procedure assumes that the head drive assembly is being disassembled
to replace the drive mechanism.
To rebuild this assembly, reference the reassembly procedure found in this
module.
If possible, it is more efficient to remove the motors and bearings from the
assembly with the casting secured to the machine.
Procedure:

1.Power down the machine and perform Lockout/Tagout according to
local procedures.

 

 

2.Use a clamp to secure the head drive assembly, and remove the 4
mounting bolts. Lift the head drive assembly from the machine.

 

          

 

3.To replace the drive mechanism, first loosen the socket head cap screw
and remove the threaded locking collar clamp from the top of the drive
mechanism shaft. This allows the separation of the bearing assembly
from the top of the drive mechanism.

 

 

4.Loosen the screw in the push rod clamp and unscrew the push rod. This
allows the bearing assembly to completely separate from the drive
mechanism.

Purpose:
This procedure adjusts the BEC board settings so the positioning system
performs the correct adjustments to board error conditions encountered
during production runs.  If these settings are not correct, incorrect
adjustments would cause component misinsertions.
Prerequisites:
Rotary Disk Squareness Adjustment
Clinch To Head Alignment
Special Tools:
Card Extender (43682901)
Adjustment Procedure:
 

Wear a wrist strap connected to ground to prevent electrostatic
discharge from causing damage to boards.
 

1.Power down the machine as described in the Operation manual.

2.Disconnect the edge connector from the BEC board in I/O slot 11.
3.Remove the BEC board from slot 11 of the I/O box.
4.Insert the card extender in I/O box slot 11.
5.Insert the BEC board into the card extender.
6.Connect the edge connector to the BEC board.
7.Cover the BEC sensor with an opaque object.
8.Power up the machine as described in the Operation manual.
9.Activate the IM Diagnostics  as follows.  Refer to the IM-UPS and IM
Diagnostics documentation for specific details relating to the operation
of the machine terminal.
Select the IM Diagnostics icon.  

WARNING
When the machine is in the IM Diagnostics function power is provided to
the machine.  Exercise caution when performing the following
procedures to avoid Injury to personnel and equipment.
 

10.After the IM Diagnostics has completed its initialization, select  the
following.  
 

Machine Setup>Board Error Correction
The Setup Board Error Correction screen is displayed. 

12.While watching the X axis A/D Counts indicator, adjust otentiometer R82 to achieve a display of 0.
13.While watching the Y axis A/D Countsindicator, adjust potentiometer R81 to achieve a display of 0.
14.Power down the machine as described in the Operation manual.                        
 

15.Remove the BEC board from the card extender, then remove the card
extender from I/O box slot 11.
 

16.Insert the BEC board into I/O box slot 11 and connect the edge
connector to the BEC board.
 

17.Remove the opaque object from the BEC sensor.
 

End of procedure.

The following adjustment aligns the CTA to the insertion head tooling.
Prerequisites:
Insert Head Up Adjustment
Insertion Head Centering Adjustment
Sequencer Chain is in zero position
Procedure:
1. Using IM Diagnostics, select Quickstart option 2, Set Up Critical
Axis Positions.
2. Zero the Head Theta axis, then go to At Zero.
3. Zero the Head Vertical axis.
4. Zero the Head Insert axis, then go to Retracted position.
5. In the Head Vertical window, go to Full Up.
6. Install the setup tool in the insert tooling guide jaw.Page 7
Component Transfer Assembly Procedures 52788501 Rev. –
7. Manually hold the latch open in order to avoid contact with the leads
on the setup tool. Extend the CTA component transfer to the head.
Set-up Tool
8. With the CTA extended to the insertion head tooling and the set-uptool in the guide jaw, check the alignment of the grooves in the bottom
guide to the leads on the set-up-tool. The leads should be seated in the
bottom of the "V" slots. If they are, there is no need for further
adjustment. If not go to the next step.

Purpose:

When properly adjusted, the N style cutter head assembly will perform more

efficiently over a longer period of time.

Types of N Style Cutter Heads:

• Short Lead

• Long Lead

• Std Lead

Comments:

N Style Cutter Heads are not adjustable for:

• lead angle

• length

Specification variations are possible due to:

• P.C. board hole diameters

• P.C. board hole spacing

• component lead diameters

• component lead material composition

• component lead shape

Other considerations:

• cutter head height

• cutter head window openings (not adjustable)

 Refer to the machine General Specifications for more information.

If unknown, to determine the N Style cutter head used in this application

count the number of notches on the back edge of the tooling. All cutter

formers and anvils should have the same number of notches.

Radial Cutter Head, N Style

Long Lead

Radial Cutter Head, N Style

Std Lead

Radial Cutter Head, N Style

Short Lead

3x 0.060 inch (1.5

 

 

 

 

Purpose
This adjustment sets the distance between the anvil and the cutter former
(window opening). This dimension determines lead length that extends from
the bottom of the board.
Prerequisites:
Cutter Head is removed from the Clinch Base
Special Tools:
Vernier calipers
Comments:
• The anvil opening can be set from 0.060 to 0.090 inches and both
sides should be ± 0.001 inches.
• The lead length and angle are adjustable. For example:
Cutter Head
0° Position
.070 ± .010 in
(1.78 ± 0.25 mm)
52° ± 33°
Adjustable
End Leads
Adjustable From 
.055 to .095 in
(1.40 to 2.41 mm)
.018 in
(0.46 mm )
.060 ± .025 in
(1.52 ± 0.64 mm)*
.045 ± .015 in
(1.14 ± 0.38 mm)
Middle
Lead
25° ± 15°
Window Opening Approximate 
Lead Length Lead Angle
.069 in (1.75 mm).060 in (1.52 mm)* 70 degrees
• Lead lengths of up to .060 in (1.52 mm) are dependent on the
diameter of the lead, lead material, and the size of the hole in the
workboard (PCB).
• A larger window opening = longer lead length and decreased angle.
• Minimum Opening = .060 in (1.5 mm)
• Clinch Head Height Adjustment affects lead length and angle.
• Lead angles, lengths and heights vary based on PC Board
– hole spacing
– hole diameters
– component lead diameters
– component lead material
– composition
– lead shape (round, square, or flat).
Reference:
See Cutter Head Tooling in the General Specifications for more information

 

Procedure:
1. Power down the machine and perform Lockout/Tagout according to local procedures.
WARNING The machine must be powered down and the local Lockout/Tagout
procedure performed to ensure personal safety during this procedure.
2. Remove the 4 screws securing the cutter head to the clinch base and remove the cutter head from the machine.
3. Loosen socket set screw as shown below. The continuity gap (see VSL
T Continuity Gap Adjustment in this module) may have to be opened
in order to make this adjustment.
Cutter Forme