Harvesting Connecting Rod Castings

02A CLEARER CASTING PURCHASE

Coated-sand links with selected finished connections

Relia Casting's harvesting-component offer names QT900-2, FC400 and FC350 as separate material references for the actual design. Coated-sand forming fits our main factory route, alongside our own machining production for nominated connection features. Samples and 100% component inspection are part of this specific offering.

A useful link package preserves the body sections, end transitions and the relationship between its connections. We can provide real workshop/equipment photographs and material/dimensional reports to support assessment. The new-part route moves from drawing review to sample manufacture and inspection, your confirmation, then batch production, keeping any accepted mechanism changes with the final component revision.

04A CLEARER CASTING PURCHASE

End transitions and ribs preserve the load path

Include the complete connection ends, ribs, local sections and transitions in the controlled model. Mark fillets and regions that are fixed by the design. A change near a connection can alter the geometry carrying the load even when the outside envelope remains similar.

Retain stock for the finished interfaces without creating an unapproved thin region after cutting. Any manufacturing proposal at a rib or transition should be assessed against the released link design and incorporated as a controlled change before the sample is made.

Load path

End transitions and rib sections

Final stock

Material retained around connections

06A CLEARER CASTING PURCHASE

Coated-sand geometry and final machining have different limits

The listing's ±1 mm reference concerns allocated casting dimensions and stages. Final connection features require their own machining and geometric limits. State which surfaces remain cast, which are supplied finished and which operations your plant will perform after delivery.

A changed machining allowance affects the remaining section around the end feature. Keep the final geometry visible when agreeing the cast blank, especially where fit and material section must be achieved together. The order then describes one useful handover rather than a casting tolerance applied to every finished connection.

07A CLEARER CASTING PURCHASE

The whole link compared against the mechanism envelope

A local connection detail cannot establish clearance over the complete range of movement. Keep both ends and the body in the full model and use the relevant assembly views to identify nearby parts. Show any region that must remain clear during operation.

For a sample fit, record the installed orientation and mating-part references. If the trial needs an adjustment, retain it in the design record and assess its effect on the cast section and other end. That avoids releasing a repeat component from a sample that was altered without documentation.

Full component

Body and both end relationships

Trial reference

Actual mating parts and movement

08A CLEARER CASTING PURCHASE

Material and dimensional evidence support the mechanism trial

The offer includes samples, a listed ten-piece minimum order and 100% component inspection. Relia can direct the agreed checks at the cast sections, finished connections and their relationship, with material and dimensional reports available. Keep the exact inspected characteristics and results in the sample record.

The inspected component then enters your fit and motion trial. If repeated-load evaluation is required, define the load direction and variation, fixture/mating arrangement, cycle basis and acceptance endpoint. Keep the tested configuration tied to the selected material and drawing so any design change is assessed before customer confirmation and repeat production.

09A CLEARER CASTING PURCHASE

Surface work and delivery preserve the accepted connections

Painting and electroplating are named treatment requests; select coverage and the final condition for the actual substrate and service. Anodizing belongs to an appropriate separately selected material rather than an assumed treatment for the iron link. Mask fit and contact areas where required.

Separate components so connection edges and machined faces cannot strike one another. Keep sample or batch identity linked to material and dimension records. The receiving team should be able to distinguish the tested revision from another similar casting before assembling the harvesting mechanism.

Finish

Selected process and masking

Identity

Sample or batch with material record

10A CLEARER CASTING PURCHASE

A harvesting link released with a usable sample record

Relia can supply the coated-sand casting and nominated machining as one link definition, with the material, critical sections and connection geometry joined in the handover. That gives your equipment team a clear component to inspect and trial in the actual mechanism.

Retain the sample's feature map, mating-part references and any accepted movement or load-related change with the released drawing. Batch orders then follow the component you confirmed. This keeps the factory's dimensional/material evidence connected to your mechanism decision without treating an altered sample or an unperformed life test as the repeat-order reference.