Tight Tolerance Military Parts CNC Machining
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Tight Tolerance Military Parts CNC Machining

Tight Tolerance Military Parts CNC Machining with more than 10 years in the rapid manufacturing business, Shbury has built up rich experience in CNC machining parts for both prototyping and mass production. we can achieve tight tolerances on CNC machined parts.

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Product Description


Tight Tolerance Military Parts CNC Machining

We always do the job to be a tangible team to ensure that we can present you with the very best good quality as well as the best cost for Special Design for High Precise Tight Tolerance Military Parts CNC Machining, As an experienced group we also accept custom-made orders. The main target of our corporation is always to develop a satisfying memory for all prospects, and set up a long-term win-win business enterprise partnership. Special Design for China CNC Machining Parts, CNC Turning Parts, Relying on superior quality and excellent post-sales, our items sell well in America, Europe, the Middle East and South Africa. We're also the appointed OEM factory for several worlds' famous merchandise brands. Welcome to contact us for further negotiation and cooperation.

1.Tight Tolerance Military Parts CNC Machining Services

 

With more than 10 years in the rapid manufacturing business, Shbury has built up rich experience in CNC machining parts for both prototyping and mass production.

we can achieve tight tolerances on CNC machined parts.


2.Product Parameter forTight Tolerance Military Parts CNC Machining

 

Capacity 

CNC Stamping

1000 * 1000 mm(max)

+/-0.05 mm

Drawing Format

IGS,STP,X_T ,DXF,DWG , Pro/E, PDF

Test Equipment

measurement instrument, Projector, CMM, Altimeter, Micrometer, Thread Gages, Calipers, Pin Gauge etc.

Thickness

From 0.1 to 5mm

 

Material Available 

Stainless Steel

SS201,SS301, SS303, SS304, SS316, SS416 17-4PH etc.

Steel

mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45# etc.

Brass

HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90 etc.

Copper

C11000,C12000,C12000 C36000 etc.

Aluminum

AL6061, Al6063, AL6082, AL7075, AL5052, A380 etc.

Iron

A36, 45#, 1213, 12L14, 1215 etc.

Plastic

ABS, PC, PE, POM, Delrin, Nylon, Teflon, PP,PEI, Peek etc.

 

Surface finish

Aluminum parts

Stainless Steel parts

Steel

Plastic

Clear Anodized

Polishing

Zinc plating

Plating

Color Anodized

Passivating

Oxide black

Painting

Sandblast Anodized

Sandblasting

Nickel plating

polishing

Chemical Film

Laser engraving

Chrome plating

Laser engraving

Brushing

 

Carburized

 

Polishing

 

Hot treatment

 

Chroming

 

Powder Coated

 

 


3.Product Feature forTight Tolerance Military Parts CNC Machining

 

Software

IGS,STP,X_T ,DXF,DWG , Pro/E, PDF

Material

Aluminium , steel, brass

Surface

Anodizing, smooth

Lead time

50pcs for 15days

MOQ

1pcs

Tolerance

+-0.005mm


4.Product Details forTight Tolerance Military Parts CNC Machining


How to get a tight tolerance military cnc parts ?


1. Find the right workplace

When looking for a workshop, you can’t focus only on the neighborhood; you also need to consider what floor you’ll be on. In our experience, the first floor (ground floor) is the only option. I have visited lots of CNC shops located on the second floor, third floor or even higher — usually because it is cheaper to rent. But the extra vibration on these levels can cause lots of problems. When the CNC machines are running, you can feel that vibration, and it is virtually impossible to make precision CNC parts in a trembling workshop.

2. Use quality CNC machines

Machine tolerance is one of the most important factors for ensuring part quality. If the machine tolerance is +/-0.02 mm, how can you guarantee +/-0.01 mm of tolerance? Although human knowhow plays a big role in making precision machined parts, it’s true that a workman is only as good as his tools, so we are always happy to invest in our machining centers. That being said, the most elaborate and versatile machining centers are not always the most accurate.

3. Balance tool holders

There are lots of tool holders available in the market, with prices ranging from 30 to 500 USD, and the dynamic balance of the tool holder is very important for accurate machining. Unbalance can be caused by misalignment, asymmetrical rotor design, concentricity errors and other factors, and it can lead to less accurate parts. In general, highly unbalanced tool holders should be balanced by using a professional balancing service, but some holders are designed for easy adjustment via the addition of weighted rings that can offset the unbalance. From our previous testing, a low-quality tool holder might cause 0.02 mm or more of jitter, while the maximum value of a good one is under 0.005 mm. We recommend using heat shrink tool holders from MST or Haimer.

4. Use (the correct) sharp cutting tools

The quality and sharpness of cutting tools plays a big role in achieving tight tolerances. Dull tools not only drain your machine of energy, they also prevent you from achieving accuracy and precision, since the dulled tip of the cutting tool has a larger radius than a sharp tip. Shallow cuts are also hard to achieve, since the blunt tool may not catch the surface of the workpiece during a pass, instead simply bouncing off. When machining materials with a low melting point, dull tools can also cause surface deformations due to heat buildup. We take care to maintain proper tool condition, and we also have expertise in tool selection: after all, you can’t achieve tight tolerances on fine features with a roughing end mill. 

5. Use good material suppliers

It’s easier to achieve a tight tolerance on a machinable material like an aluminum alloy, but different material suppliers can provide vastly different versions of the same grade of metal. Many suppliers provide certifications with their materials, showing that samples of the metal have passed a test proving their composition, but certifications only tell half the story. For instance, a bar of aluminum 6082 with a perfect ratio of silicon, magnesium and manganese may still produce horrible results if it has been subject to improper heat treatment. We’ve built up relationships with a reliable group of suppliers over time, but finding such suppliers naturally involves some trial and error.

6. Deploy an on-machine inspection system

Inspection of finished parts is an important part of quality control, but a better way to guarantee tight tolerances is to use an on-machine inspection system, consisting of a small probe that checks machining accuracy during a job. We use high-end Renishaw inspection systems on several of our CNC machines, and these inspection systems can accurately measure part dimensions during machining in addition to providing automatic offset correction.

7. Other considerations

Workshop operating system: Using a centralized machine shop management system means you won’t be rushing jobs, allowing you to machine with care and precision.

Experienced engineers: Experienced engineers know how to modify designs for simple and accurate machining that will produce better results. Experienced engineers know which is the best way to make a part as soon as they have CAD file and tolerance required. First of all, we decide how to hold the workpiece. (Read more about different ways of holding workpieces.) Then, we create the tool paths. An experienced engineer will consider both efficiency and tolerance. For example, some engineers may spend hours making a part, while someone could make the same part in an hour by optimizing the tool paths.

Well-trained operators: Skilled machine operators know how to select cutting tools, program machinery and carry out manual machining and lathing operations. They also know how to identify the quality of cutting tools and change the parameters if necessary. Just as importantly, a good operator knows how to protect the parts during and after machining.

A strong quality control department: Good quality control won’t automatically improve tolerances, but it will make sure that parts outside the acceptable tolerance are not sent to a customer by mistake.

Communication: Good communication with the customer and between staff leads to better results in the shop. It is important that the production department understands exactly what the customer needs — and communicates the actual possibilities back to the customer.

 

4.FAQ


Q1:Where can I get product&price information?

A1:Send us inquirye-mail, we will contact you as we receive your mail. 

Q2:How long can i get the sample?

A2:Depends on your specific items,within 3-7 days is required generally.

Q3:What's kinds of information you need for quote?

A3:Kindly please provide the product drawing in PDF,and will be better you can provde in STEP or IGS, send the parts materials, quantity, surface finishing and other requirements to us as well.

Q4: what's the payment terms?

A4: We accept 50% as payment deposit, when the goods is done, we take photoes for your check and you then pay the balance.

For small amount, we also accept Paypal, Paypal commission will be added to the order. For big amount, T/T is preferred

Q5.Are you a trading company or factory?

A5:We are direct factory with 10 experienced engineers and more than 30 employees as well approximate 3,000 square meters workshop area.

Q6. What shall we do if we do not have drawings?

Please send your sample to our factory,then we can copy or provide you better solutions. Please send us pictures or drafts with dimensions(Length,Hight,Width),CAD or 3D file will be made for you if placed order.

Q7. Can we get some samples before mass production?

A7:Absolutely

Q8. What is your MOQ?

Our MOQ is 1pcs, it is also our one of advantage, even you have less budget, or want to reduce the risks before production, we both can accept the less MOQ.

Q9: Will you do 100% inspection or random inspection ?

We will do 100% inspection for samples, random inspection for mass production. When manufacturing, we will control the dimensions , do PQC in mass production.

Q10. How to do if the parts not match with drawings we received?

Contact us immediately, send the pictures and tell us the issues, we will check and repair or re-make the goods with free.

Q11. You will how to ship the parts to me?

When products finished, also passed by our QC, we will ship out the parts to you by DHL, Fedex , or by sea after communication


7.Deliver,Shipping forTight Tolerance Military Parts CNC Machining




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