Partner with Greno and eliminate the logistics of moving heavy weldments between separate vendors. We’re your one-stop machine shop.
When welding and machining are decoupled across separate shops, components frequently encounter sizing and distortion issues. Welding introduces immense localized heat, causing metal to distort or twist out of true alignment. By handling both processes under one roof, Greno coordinates the welding sequences with precise CNC machining allowances. We can pre-machine weld preps, execute code welding, perform stress-relieving heat treatments, and perform final tight-tolerance CNC finishing on a single production path. This single-source approach guarantees absolute concentricity, parallelism, and spatial dimensional compliance.
Weld distortion is caused by the uneven expansion and contraction of metals during rapid heating and cooling cycles. Our team mitigates this by using engineered welding fixtures, balancing multi-pass weld sequences to distribute heat evenly, and utilizing pre-heating procedures where necessary. For large-scale machine frames, we leverage post-weld heat treatment (PWHT) to normalize residual mechanical stresses before final precision machining, ensuring that the critical structural alignments remain stable throughout the entire lifecycle of the component.
We offer specialized weld overlay cladding designed to protect base materials from localized fluid erosion, slurry abrasion, and chemical corrosion. Our technicians apply high-performance alloys such as Stellite (cobalt-base) and Colmonoy (nickel-base) to high-wear surfaces like pump volutes, valve seats, and mixing blades. This process allows you to construct the core structural component from a cost-effective base metal while fortifying the active face with a severe-service alloy layer, drastically extending the runtime of the industrial hardware.
