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== Problem ==
The previous design of screen cover was susceptible to cracking and failing. The new design resolves this by having a metal hinge piece and an additional clear plastic plate, with both being joined by 3M VHB (Very High Bond) tape.
Parts:
D0010965 x1
D0010966 x1
M0001119 x 550mm +
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<div class="icon-instructions-icon"><i class="fa fa-exclamation-triangle"></i></div>
<div class="icon-instructions-text">...Since 2023, the PCs have been supplied with a preconfiguration tool.</div>
</div>
Please use [[Setting Up Windows PC C0000422-KIT 2023]] +
==Problem==
On Z063 the bolt holding the saw blade onto the spindle has regularly been loosening during use.
==Solution==
The M16 bolt will be replaced with a stud and castle nut that can be locked with a cotter pin.
==Tool List==
Drill with Ø5.0 bit
24mm Spanner
C Spanner
= Parts List =
<table class="wikitable" width="748" border="1" cellpadding="8" cellspacing="0">
<tr>
<td width="76">D0004031B
</td><td width="319">Saw Washer 3mm
</td><td width="302">1
</td></tr><tr valign="TOP">
<td width="76">D0015560
</td><td width="319">Spindle Stud
</td><td width="302">1
</td></tr><tr valign="TOP">
<td width="76">F0000273
</td><td width="319">Spirol Pin Ø6 x 30
</td><td width="302">1
</td></tr><tr valign="TOP">
<td width="76">F0000549
</td><td width="319">Split Pin 4mm x 32
</td><td width="302">1
</td></tr><tr valign="TOP">
<td width="76">F0000550
</td><td width="319">Castle Nut M16x1.5
</td><td width="302">1
</td></tr></table> +
The first step in commissioning a new machine is to get the basic software setup correctly installed. Because the software is designed to be very flexible across many machine types, the simplest way to do this is to copy from a recently built similar machine. +
Setting up all apps for the engineers Lenovo tablets. +
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<div class="icon-instructions-icon"><i class="fa fa-exclamation-triangle"></i></div>
<div class="icon-instructions-text">...This printer is now obsolete. The direct replacement is a ZD620 Click below for instructions on setting the replacement up</div>
</div>
[https://stuga.dokit.app/wiki/TB0452_ZD620_Zebra_Printer_Setup ZD620 Instructions] +
== What is the Silex DS-510? ==
The Silex unit is a USB server, allowing a PC to have a USB port anywhere over an ethernet network. This is useful to connect the PC to a Yaskawa inverter when they are located in different cabinets.
The software sets up a virtual USB port which can then be used to run the Yaskawa DriveWorks software. +
A backup zip folder of all necessary files can be created in WinMulti. By pressing the backup button (F11) and navigating to the backup’s folder (C:\multi\backup) a machine backup will be created. +
The AX8000 compact drives used on refurb machines from 2019 need to be tuned in a similar way to the AX5000 drives using the Velocity Time Constant. On Ax5000 drives, this was an SoE parameter S101 that was changed from 8ms to 0.8ms
Photo shows the result of the overrun without this parameter – holes do not come out square.
Solution below: +
<u>Problem</u>
These machines use a CX5020 PC with a 2Gb CF card running TwinCAT2 PLC system. The CF card can fail, which is effectively the windows operating system. The CF card has a very small capacity, so needs to be created from an image. This TB outlines the steps in the process to ensure a successful conclusion.
1. Create a new CF card at stuga using the beckhoff imaging tool on a CX5020
2. Boot up with the CX5020
3. Ensure PLC is set to Enable on start-up (default is config mode)
4. Rename the PC
5. Install TeamViewer host v10 or less from a USB stick
6. If you have a copy of the version of winMulti it was running, copy this in to the c:\ multi folder. If not, a “'''''new version install'''''” will be needed so copy in data from the g:\builds\PC Installs\Autoflow\Multi folder
7. Set up and customer specific network parameters to ensure TeamViewer will work when it is plugged in on site
8. Send to customer
Once on site, follow procedure A if the winMulti version is preserved, or B if it is a '''''new version install''''' +
The ZX5 has two bar measuring systems – the side laser and the sensor array.
The side laser scans the bar as it moves into the final loading location, which gives the software a “heads-up” for the length of the bar. If the length is different to expected, the software will then use the sensor array to measure the bar length.
There are 2 measurement methods because the side laser is not 100% reliable, especially on shorter lengths below 3000mm. However, it does mean the system does not have to grip and measure / reoptimize each bar length, so improves the cycle time.
The sequence is as follows
1. During the conveyor loading, measure the length using the side laser
2. Once loaded to backfence, check the backfence sensor array.
3. If the sensor array rough measurement does not match the laser –
a. If the laser measured length < infeedLaserRemeasure, continue and measure with rear sensors
b. If the laser measured length < infeedLaserRemeasure, flag an error that laser has not measured correctly.
c. If it does match, use the laser value to reoptimize the bar if it is different than expected
4. Load and Grip bar, if necessary, measure accurately with rear sensor array +
The ZX5 has a moveable Beam on the Z axis. The design reason behind this is to keep the gripper arm short for reliability and stiffness, yet enable it to move out of the way for rear V notching
During the calculations for the machining bar recipe, the software has to work out if and when the beam needs to be moved:
· If there are no v notches on the bar, then machine all the operations without moving the beam. Beam moves at the very end when ejecting
· If there is a V notch, move the bar during the first X axis position where position > beamStrokeLength
Therefore, it is very important for the software to know how far the beam moves physically to offset all the positions to allow for it. The distance is measured and entered into parameter beamStrokeLength. It should be around 700mm. +
= Problem =
Software takes a long period of time to find bar after scanning barcode. +
Internal CMOS batteries are used in PCs to keep a constant power supply to BIOS memory while the main power supply is switched off. These batteries should last up to 5 years when a PC has been left idle. Sometimes these batteries can fall flat before this time either due to being low when sent out or extended use on older machines.
The main symptom of a CMOS battery faulting on a Stuga machine is the PC not booting up when mains power is switched on which will be indicated by a “No Signal Detected” message being displayed on the screen. This is due to the BIOS setting “Restore AC Power Loss” going back to its default value of OFF due to the battery faulting. Restoring the BIOS to its original settings is a temporary fix in this situation as it is most likely this will happen again a couple of months down the line (See TB 376 or 213).
The battery required is a '''CR2032'''. In the case of the Antec PC, and most commonly, the battery is held in an open housing that can be pushed to release and easily replaced. In PCs such as the Acer Revo the battery needs to be pre-wired with a plug but still easily unclipped and replaced +
How To Change A Nappy......Without Further A-Poo Lets Skid Right In +
When in arrow head or centralising mode, the pivot point of the saw blade is moved from the bladetofence position to the central position of the current section. The mechanism that achieves this allows for any width of profile from 45 mm to 130 mm. If the arrow head position is not central to the profile, the centraliser position may need to be adjusted
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<div class="icon-instructions-icon"><i class="fa fa-thumb-tack"></i></div>
<div class="icon-instructions-text">...In our experience, the most likely cause of this problem is either an offcut not allowing the centraliser to close fully, or an issue with the symmetry of the profile</div>
</div><br/> +
The engineer will need a reasonable mechanical knowledge, and a working knowledge of the operation of the machine.
The following steps are taken to set the saw lengths correctly:
· Scaling / calibration
· Ensure cut length consistency
· Set saw blade kerf
· Set blade offsets / and \
· Check mitre / mitre cuts +
The engineer will need a reasonable mechanical knowledge, and a working knowledge of the operation of the machine.
You will need callipers (+/-0.05mm) and an accurate rule
The setting of the V notch blades on a ZX3 Ring revolves around the setting of two groups of parameters:
*V and W axis positions
*Blade offsets for each blade
The rough position of V and W axes is set first, then the individual blade offsets are set, and finally a test is run to tweak the accuracy to gain perfection.
There are two “tweaking” parameters for each blade. The two parameters are:
*Depth offset – how deep into the bar
*X axis offset – position of point of blade relative to the spindle centreline +
The laser needs to be focused on the work area and not the receiver
The smaller the dot for the profile to break/make the more accurate the laser +
We are quite often faced with multiple Axis/Door Open/ Estop faults all being reported at the same time. More often than not this is caused by a bad connection on the TwinCat system somewhere. If there is any dropout of connection at any point in the system it will result in this error. You could spend some time crawling about on your hands and knees, opening electrical cabinets and trying to find the fault manualy, but by using TwinCat we can save some time and effort, and pinpoint the cause almost immediately. +
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