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Single-point load cell mounting requires a sensor approved for the intended platform dimensions and off-centre loading. A platform supported by one ordinary beam is not automatically a compensated single-point scale. Confirm that distinction before fabricating the top plate.
Single-Point Load Cell Mounting: First Verify the Platform Limit
Request the permitted platform length and width for the exact model and capacity, together with mounting orientation and eccentric-load performance. Include overhanging trays, product guides and the farthest point where an operator can place material. Rated capacity alone cannot approve that geometry.
| Evidence | Required detail | Hold point |
|---|---|---|
| Platform | Length, width and load locations. | No documented eccentric-load envelope for the proposed arrangement. |
| Mounting | Fixed and loaded ends, spacers and fasteners. | The fabrication drawing changes the intended bending arrangement. |
| Clearance | Movement around beam, covers, cable and stops. | Another part can contact the moving structure during normal loading. |
| Acceptance | Reference weights, positions and permissible deviations. | Only a centre calibration is proposed for an off-centre duty. |
Do Not Transfer a Cantilever Specification to a Single-Point Duty
The METRAVON MV-LC0050 is documented as a cantilever beam for reviewed platform and hopper arrangements. Its published capacity and electrical data do not establish an approved one-cell platform size. Obtain explicit application confirmation before using it in that architecture.
If no documented single-point configuration covers the required deck, review a multi-support design or a different qualified sensor. Do not enlarge the platform and assume software can remove every positional effect.
Test the Platform Where It Will Actually Be Loaded
- Inspect the unloaded assembly for base flatness, unwanted contact and cable restraint.
- Apply the same reference load at the centre and relevant off-centre positions, using a safe agreed sequence.
- Repeat at suitable working loads and check the unloaded return between sequences.
- Retain the platform dimensions and mounting condition with the results so later modifications can be assessed.
A corner discrepancy can come from plate flexure, mounting contact or a sensor used outside its approved envelope. Establish the cause before changing span or adding local correction. A good reading at one corner after adjustment may conceal a different error elsewhere.
Platform Questions
Q1. Can the deck be larger if the maximum weight is reduced?
Not without approval of the revised geometry. Off-centre moments depend on load position as well as weight. Supply both dimensions and positions for review.
Q2. What must be checked after adding a conveyor or guide?
Check the added tare, transferred forces and any contact with fixed structure. Repeat relevant positional tests with the conveyor or guide in its actual operating state.
Summary
Qualify the platform and sensor combination before building it. Send the deck drawing and load positions for a mounting assessment; do not treat a generic cantilever specification as single-point approval.
