Kategori: Panduan & Cara Melakukan

The mold-making operation itself: pattern allowances by alloy, sand and binder targets, ramming and mold hardness, gating and riser design, vents, closing, pouring temperatures and shakeout – plus when a printed sand mold removes the pattern entirely.

How lost wax casting works, step by step: pattern waxes, ceramic shells, dewaxing, burnout, pouring, tolerances and the defects to watch for.

Industrial SLS pricing bands, coated sand and PSB wax consumables, laser time and a per-part worked example, with a worksheet for filling in your own local costs.

The sand casting process from pattern to finished part: six steps, five molding methods compared, sand and binder selection, gating and riser design, and pattern options.

A buyer’s guide to the small batch casting process: when tooling pays off, how to write an RFQ suppliers can actually answer, what drives per-part cost, and how to run a pilot order.

A foundry audit that fits in one visit: the documents to request, what to watch on the floor, a 25-point scorecard, and the findings that should end the visit.

Where 3D printing fits into investment casting: printed wax patterns, rapid tooling from printed masters, tooling-free prototyping, and an honest look at what it does not change.

Perbandingan antara pengecoran pasir dengan pencetakan 3D dan pengecoran investasi: biaya, kualitas permukaan, toleransi, ukuran komponen, bahan, dan waktu tunggu – ditambah pedoman pengambilan keputusan untuk memilih di antara keduanya.

Panduan lengkap mengenai cacat pada pencetakan pasir 3D: pembentukan gas, pola urat, penetrasi logam, kerapuhan, lengkungan, dan hasil permukaan – beserta penyebab, pencegahan, serta cara memperbaikinya pada cetakan dan inti.

Panduan pembelian printer 3D pasir untuk pengecoran di Inggris: harga, waktu pengiriman 6–8 minggu ke pelabuhan-pelabuhan di Inggris, kepatuhan, kekuatan ekspor, dan pengecoran net-zero, serta perbandingan antara 3DPTEK, ExOne, dan voxeljet.