📝 Event: 2025-06-19_stage_backlash_adjustment
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📊 Report Overview
Event Metadata
Record Type
Maintenance Event
Maintenance Event
Reason / Suite
Problem
Problem
Service Provider
internal
internal
Instrument
scope-testx1Maintenance Action
Reason Details:
XY tiling jobs showed 1-2 frame overlap mismatch near the right edge, consistent with increasing stage backlash.
XY tiling jobs showed 1-2 frame overlap mismatch near the right edge, consistent with increasing stage backlash.
Action Details:
Re-homed stage axes, tightened X-axis coupling set screw, recalibrated pixel size/step conversion in acquisition software, and validated with a 6x6 tile phantom run.
Re-homed stage axes, tightened X-axis coupling set screw, recalibrated pixel size/step conversion in acquisition software, and validated with a 6x6 tile phantom run.
Status After Fix:
LIMITED
Additional Notes
Imaging resumed same afternoon, but instrument kept in limited mode for high-precision tiling only.
📄 Raw YAML Ledger
View 2025-06-19_stage_backlash_adjustment.yaml
schema_version: 1
record_type: maintenance_event
maintenance_id: maint_scope-testx1_20250619_stage_backlash_adjustment
microscope: scope-testx1
service_provider: internal
company: Example Microscopy Core Facility
reference: INT-CORE-2025-233
started_utc: '2025-06-19T12:10:00Z'
ended_utc: '2025-06-19T14:00:00Z'
reason: problem
reason_details: 'XY tiling jobs showed 1-2 frame overlap mismatch near the right edge,
consistent with increasing stage backlash.
'
action: align
action_details: 'Re-homed stage axes, tightened X-axis coupling set screw, recalibrated
pixel size/step conversion in acquisition software, and validated with a 6x6 tile
phantom run.
'
microscope_status_after: limited
downtime_hours: 1.8
related_qc:
- qc_scope-testx1_20250619T1110Z_stagegrid_v1
- qc_scope-testx1_20250620T0745Z_stagegrid_v1
attachments:
- maintenance/events/scope-testx1/2025/attachments/2025-06-19_stage_validation.csv
tags:
- stage
- alignment
- tiling
- internal
followup: 'Keep tile overlap at 12% minimum until next full vendor mechanical inspection.
'
next_due_date: '2025-09-01'
notes: 'Imaging resumed same afternoon, but instrument kept in limited mode for high-precision
tiling only.
'
contact: 'On-call staff: Mikko Salonen'
status_notes: High-precision tiling remains limited until next mechanical inspection