Voir la source de TB0239 Fault Finding G Axis Stalling

{{Tuto Details
|Description=<translate>Faults on the G axis on a Flowline / ZX / Microline have proved to be a little difficult to trace. It is easy to follow a red herring and change the wrong component.</translate>
|Categories=Maintenance
|Tags=G Axis, Fault
}}
<translate>=Technical Bulletin=
{| class="wikitable" border="0" cellspacing="0" cellpadding="0"
| width="111" valign="top" |'''TB Number:'''
| width="569" valign="top" |238
|-
| width="111" valign="top" |'''Originator:'''
| width="569" valign="top" |Gareth  Green
|-
| width="111" valign="top" |'''Machine:'''
| width="569" valign="top" |Flowline,  Microline, ZX
|-
| width="111" valign="top" |'''Date:'''
| width="569" valign="top" |27/11/13
|-
| width="111" valign="top" |'''Circulate to:'''
| width="569" valign="top" |Service
|-
| width="111" valign="top" |'''Title:'''
| width="569" valign="top" |Fault  Finding G Axis Stalling
|}

==Detail==
Faults on the G axis on a Flowline / ZX / Microline have proved to be a little difficult to trace. It is easy to follow a red herring and change the wrong component.

==Symptoms==
{| class="wikitable" border="1" cellspacing="0" cellpadding="0"
| width="66" valign="top" |'''Code'''
| width="337" valign="top" |'''Description'''
|-
| width="66" valign="top" |'''AX001'''
| width="337" valign="top" |Not Datuming: G Axis
|-
| width="66" valign="top" |'''AX002'''
| width="337" valign="top" |Not Datuming: X  Axis
|-
| width="66" valign="top" |'''AX016'''
| width="337" valign="top" |Error Message: Wait 20 Seconds
|-
| width="66" valign="top" |'''AX017'''
| width="337" valign="top" |Gripping position  on profile inconsistent
|-
| width="66" valign="top" |'''AX018'''
| width="337" valign="top" |Noise / Vibration from Gripper Stepper Motor
|}

==Actions / Checks==
{| class="wikitable" border="1" cellspacing="0" cellpadding="0"
| width="102" valign="top" |'''Code'''
| width="520" valign="top" |'''Description'''
| width="52" valign="top" |'''Tick'''
|-
| width="102" valign="top" |'''DOCKOFFSET'''
| width="520" valign="top" |Check Dockoffset Parameter  Correct
| width="52" valign="top" |
|-
| width="102" valign="top" |'''CHK_AX001'''
| width="520" valign="top" |Check G Axis Leadscrew Bearings and nut tension
| width="52" valign="top" |
|-
| width="102" valign="top" |'''CHK_AX002'''
| width="520" valign="top" |Check G Axis Beam is Parallel
| width="52" valign="top" |
|-
| width="102" valign="top" |'''CHK_AX003'''
| width="520" valign="top" |Check G Axis End Stops exist for both forward and reverse  travel and are set correctly. What happens if G axis overruns? Any Blockages?
| width="52" valign="top" |
|-
| width="102" valign="top" |'''CHK_AX004'''
| width="520" valign="top" |Check G Axis Belt Tension and  position of joiner block in relation to end of travel
| width="52" valign="top" |
|-
| width="102" valign="top" |'''CHK_AX005'''
| width="520" valign="top" |Check function of G axis Stepper Motor (Assuming mechanics  are all ok)
| width="52" valign="top" |
|-
| width="102" valign="top" |'''CHK_AX006'''
| width="520" valign="top" |Check SA14 G Axis Stepper drive  unit - Blackened connectors / internal D110 Stepper Card / Internal Power  Supply / External Fuse
| width="52" valign="top" |
|-
| width="102" valign="top" |'''CHK_AX007'''
| width="520" valign="top" |Check G Axis Power Cables for continuity on all 4 or s/c  to earth
| width="52" valign="top" |
|-
| width="102" valign="top" |'''CHK_AX008'''
| width="520" valign="top" |Check lubrication of G axis,  should move comfortably by hand via toothed belt when motor de-energised
| width="52" valign="top" |
|-
| width="102" valign="top" |'''CHK_AX009'''
| width="520" valign="top" |Check Function of datum switch and mechanical setting. Is  it sticky? Is it set too far out?
| width="52" valign="top" |
|-
| width="102" valign="top" |'''CHK_AX010'''
| width="520" valign="top" |Check leadscrew coupling  grubscrews
| width="52" valign="top" |
|-
| width="102" valign="top" |'''CHK_AX011'''
| width="520" valign="top" |Check integrity of Step and direction signal cables. Check  under heatshrink as excessive heat can melt the cable insulation on original  assembly
| width="52" valign="top" |
|}</translate>
{{PageLang
|Language=en
|SourceLanguage=none
|IsTranslation=0
}}
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{{Tuto Status
|Complete=Draft
}}