Frequently Asked Questions

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4. Technical Services (11)

What is Photochemical Milling?

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A process used to produce thin, flat metal parts, utilizing acid to cut through the metal to produce the required shape.

Where is Photochemical Milling used?

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Photochemical milling is used when burr-free, stress-free, thin metal components are required.

What metals can be used in Photochemical Milling?

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Almost all metals can be milled. Examples include: Aluminum Beryllium Copper Brass Copper Inconel Invar Kovar Monel MuMetal Nickel Alloys Nickel Silver Phosphor Bronze Silicon Steel Spring Steel Steel Stainless Steel Be sure to ask about any special metal requirements … Continue reading

What thickness of metal can be milled with Photochemical Milling?

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Generally, we can mill thicknesses from .004″ to .040″. Please contact us for your special needs.

What are the achievable tolerances with Photochemical Milling?

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We can achieve tolerances ranging from 10% to 15% of material thickness. We pride ourselves on precision so please contact us if you require more precise parts.

How small can holes, bars, apertures, and other details be?

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All details and their characteristics depend on the material thickness.

What is a photo tool?

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A photo tool is a set of photographic transparencies required for the photochemical milling of parts. Parts produced by photochemical milling are a direct reflection of the photo tool.

Can you make a mixed sheet of parts?

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This is possible; please contact us for details.

If I need a nonstandard thickness, can you mill a thicker sheet down?

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If you require a nonstandard thickness or one that is not immediately available from stock, we can etch down a thicker sheet (up to 25% of the material thickness) to meet your requirements. For thicker metals, we offer laser cutting, … Continue reading

What are your standard leadtimes?

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Our standard leadtimes from receiving drawing to shipping are 3 to 5 business days. 24-hour services are also available. Please contact us for details.

What services besides Photochemical Milling do you offer?

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We offer a range of manufacturing services. Please visit our Capabilities page for a full list.

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1. Faspro General FAQs (7)

What does Faspro Technologies do?

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Faspro Technologies is a recognized North American supplier and manufacturer of fast turn sheet metal prototypes.

Why should I use Faspro Technologies?

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We have many years of management and technical experience, providing friendly, efficient, and cost-competitive services. We offer short lead times and high quality standards, as well as an excellent record of environmentally friendly production.

What is unique about Faspro Technologies processes?

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Our Project Managers work with you to ensure your every application is a success.

What are Faspro Technologies turnaround times?

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Faspro Technologies has a standard turnaround time of 24 hours for quotations and a standard turnaround time of 3 to 5 business days for prototypes. Need it faster? Contact us for special requests!

What type of electronic files do you accept?

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We accept drawings in all major formats (.IGS .STP .PRT .DWG and .DXF). We can also create a drawing based on your specifications. Please contact us for more information on this service.

How do I get answers if my question is not in this list?

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Please contact us to get any additional questions answered.

How can I get a quote?

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Please submit all pertinent information to our sales department. Find contact information at our Contact Page. Our project managers will be happy to create a fast, accurate quote for your project.

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3. Faspro Photochemical Milling Department (1)

What Materials are Available?

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Faspro Products has access to a large inventory of materials through our EMS division. Please contact us to ask about any special materials you may need.

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2. Faspro Assembly Department (4)

What does Faspro Technologies’ assembly department do?

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Faspro Technologies’ assembly department creates assemblies from component parts. We specialize in sheet metal assemblies for the electronics, aerospace and telecommunications industries.

What is unique about Faspro Technologies’ assembly processes?

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Our Project Managers have decades of experience in working with clients to ensure every assembly project is a complete success.

Can Faspro create the component parts for my assembly?

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Faspro’s assembly department, working with our other divisions will create all or most of the component parts for your assembly. Please contact us for details.

Do I need to have my component parts made by Faspro?

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No. While it may be more cost effective for you to make your components with us, our assembly department can still professionally build your assemblies from parts provided to us.

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