10 min read
Plant and quality
→Fixture maintenance: wear plates and locators wear out
Why fixture wear plates and locators are consumables: wear rates, the 0.1 mm repeatability budget, inspection frequency and the record that catches drift.
Ganesh engineering library
Sheet metal, explained by the people who make it
377 guides on stamping, laser cutting, bending, welding, coating and the parts we build for lift, power, data centre, railway and farm equipment. Every article is reviewed by the engineering team before it is published.
- 377
- published guides
- 14
- topic hubs
- 3 Nov 2026
- last technical review
Browse by topic
Nine clusters, each mapped to a capability or product page.
32Stamping, presses and press toolsPressed, punched and deep drawn sheet metal parts, the tooling that makes them, and the DFM rules that decide whether a part suits a press at all.29Laser cutting and sheet metal fabricationFibre laser cutting, nesting, edge quality, tolerance and the cost drivers behind a cut part, including long panels cut on the 40 ft × 16 ft bed.38Bending, welding and finished assembliesPress brake bending, bend allowance, fixtures, robotic MIG welding, distortion control and the tolerances a finished welded assembly can actually hold.28Surface treatment and powder coatingSeven-tank pretreatment, phosphating, shot blasting, powder and wet paint selection, film thickness and the failure modes that show up two monsoons later.22Elevator and lift componentsCounterweight frames, car frames, slings, guide rail brackets, door panels and controller enclosures made to lift OEM drawings.24Genset, canopy and acoustic enclosuresDG set canopies, acoustic panels, louvres, base frames, skid bases and control panel enclosures, engineered for weather, access and noise.28Data centre racks and electrical enclosures19-inch rack frames, mounting rails, perforated doors, blanking panels, PDU brackets and the electrical enclosures around them.16Tractor, forklift and material handlingTractor panels and brackets, forklift overhead guards, counterweight covers, mast parts and material handling components built for vibration and abuse.16Railway, furniture and infrastructureRailway coach panels, underframe brackets, fittings, metal furniture frames, shelving and signage, where standards and traceability carry as much weight as the part.38Materials and gradesGrade selection for CRCA, stainless, aluminium, brass and copper: formability, thickness, corrosion and what the mill certificate actually guarantees.30Standards and complianceWhich standard applies, what it actually covers, and the evidence a buyer should ask for: ISO, IEC, EN, RDSO and material certification.44Design and CADDesign rules, CAD hand-off, bend allowances, tolerance stacks and the drawing notes that decide whether a part is made right first time.4Applications and casesApplication-led problems from lift shafts, genset sites, data halls, railway coaches, farms and warehouses, and how the part is designed around them.28Plant, quality and sustainabilityHow the plants run: quality systems, inspection, calibration, pretreatment chemistry, effluent, maintenance, energy and scrap.
All guides, page 35
Search the library →10 min read
Laser cutting
→12 kW fibre laser cutting: what it enables
What a 12 kW fibre laser changes from 1 mm to 20 mm, why the 40 ft bed removes welds, and where the extra power makes thin sheet worse.
10 min read
Genset and canopies
→Bending for genset canopies and panels: skins, louvres, doors
Bend radii, return depths and corner details for genset canopy skins, louvre frames and access doors, with the coating and squareness checks that follow.
10 min read
Design and CAD
→Slot design for sheet metal: width, length and end radius
Slot design for sheet metal: minimum width by process, why a square end cracks, how length sets the stress concentration, and the drawing callouts that hold.
11 min read
Laser cutting
→Laser nesting software rules that change cost and edge quality
Common-line cutting, web width, lead-ins, heat build-up and grain locks: the nesting rules that move yield, cut time and dross on a fibre laser.
10 min read
Plant and quality
→Seven-tank pretreatment chemistry: what each bath does
What each of the seven pretreatment baths actually does, the titration and contamination numbers that hold it, and when a bath should be dumped rather than topped up.
10 min read
Standards
→Mill certificate versus test certificate: what each proves
Mill certificate versus test certificate: who issues each one, what it proves about the lot, and which document to write into the purchase order.
10 min read
Stamping
→How to select press tonnage for a sheet metal part
Size a press from cut perimeter, thickness and shear strength. Worked tonnage for CRCA, stainless and aluminium, plus the 80% load rule.
12 min read
Elevators
→Elevator buffer bracket: design, materials and manufacturing
An elevator buffer bracket carries the car's buffer reaction into the pit: the 665 J impact case, a 7 kN design load, 12–16 mm plate and a level seating face.
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