Anchoring a Girder Mould on a Precast Production Line
Bed tolerance, anchorage detail and thermal movement decide whether a girder mould holds its line. What to agree before the mould is set out.
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Engineering Knowledge
Insights
Practical guidance for machinery component manufacturing and project-specific production lines for precast concrete components.
Bolt Hole Tolerance and Fit-Up in Fabricated Steel Frames
Hole clearance, drilling method and weld shrinkage decide whether a welded frame bolts together. What to fix in a contract manufacturing RFQ.
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Specifying a Precast Production Line for Exposed Finishes
How finish class, mould face, retarder washing and mock-up approval change the equipment package on a precast production line for exposed concrete.
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Heated and Insulated Moulds on a Cold Weather Precast Line
What a cold weather precast line needs from its moulds: insulation, heating, thermal movement and the items to fix in the mould order.
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Self-Consolidating Concrete on a Precast Production Line
How self-consolidating concrete changes mould pressure, casting equipment and the acceptance tests on a precast production line.
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Steel Grade for Welded Fabrications: What the Drawing Must Say
Plate grade, impact class and certificate for a welded fabrication, and the four lines that stop a supplier quoting a substitute steel.
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Castings or Weldments: Choosing a Machine Frame Before RFQ
Cast or welded machine frame, compared for a buyer: tooling cost, damping, fatigue detail, stress relief, and the evidence to name in the RFQ.
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Mould Weight and Lifting Points in a Precast Line Order
Mould weight sets the crane, the lifting points and the stripping sequence. Fix the numbers in a precast line RFQ before the mould design is closed.
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Specifying a Precast Production Line for Hot and Cold Climates
How site temperature changes the equipment scope of a precast production line: curing, enclosure, batching, and the climate data to collect before RFQ.
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