Sourcing titanium machined parts in Switzerland has become a question of process capability rather than catalogue choice, because most suppliers quote the same machines and differ in how they control them. The notes below work as a checklist for Machine Builders that need a part which meets the drawing and still hits the target cost.
Find out whether the shop runs a formal first-article process or simply measures the first good part and ships it. Ask for two customers already running titanium machined parts programmes and speak to them directly. Request the process plan and the inspection plan before you pay the deposit, so you can see how the part will be made and measured.
Discuss deburring explicitly, since unstated edge requirements are the most common cause of disputes on machined parts. Where a feature is difficult to machine, ask for a design-for-manufacture comment before the order rather than a deviation after it. Tolerance is a cost driver, so release only the tolerances the function demands rather than the tightest number that fits on the drawing.
Material typically accounts for more than half of the part price, so a small grade change moves the quotation a long way. A good titanium machined part starts with the grade 5 (Ti-6Al-4V) titanium, so agree the grade, the temper and the certificate before you discuss price. State the material standard, the temper condition and the traceability requirement by number, not by adjective.
Traceability claims need heat numbers or lot numbers that follow the parts through every operation. A declaration of conformity should reference the standard and the revision, not just the supplier's name and stamp. Confirm that the test house is accredited and that the report names your material or your part, not a generic specimen. For Switzerland, check the rules on restricted substances, packaging materials and marking before the parts are boxed.
Payment terms are part of the price: a discount paid for with a larger deposit is not a discount. Ask what the price would be at double the quantity; the answer shows you how much of the quotation is fixed cost. The price of titanium machined parts breaks into material, machining time, setup, finishing, inspection and margin, and only some of those move with volume. Watch the metal index and the energy surcharge, because both move the cost of titanium machined parts during a long programme.
Plan the sailing, not the shipping date: the production calendar should work backwards from the arrival window. Rust prevention is the detail that decides whether a shipment arrives usable, especially for ferrous parts on a humid route. Photograph the packed pallet before it leaves the shop; it settles most damage arguments before they start. Confirm who arranges the export documents and the certificate of origin, because that task is often assumed by both sides.
Freeze, approve, inspect, pack, document. Those five verbs separate a calm programme from an expensive one.
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