Frequently Asked Questions
CNC machining is also called computer numerical control machining. We do the following machining services: milling, turning, drilling, threading, tapping, EDM and wire EDM, custom surface finishing, prototype machining, low volume or one-off part machine runs, modification of an existing part, material sourcing assistance, limited material warehousing and parts dispatching.
From prototype to production, from 1 to 10,000 pieces, we offer fast turnaround CNC machining of your custom metal and plastic parts with as fast as 3-day delivery.
Tiesheng has a 133,000 square foot CNC machining shop. With 760+ skilled employees and 200+ high-performance CNC machines, maintain 24/7 operations and can deliver over 500 machining projects and 100,000+ machined parts per month in our CNC machining centers.
Our engineering and sales teams will provide one-on-one quote support for your project. Typically, for similar parts, CNC lathes cost 15% less to machine than standard 3-axis CNC milling. In contrast, the cost of 5-axis machining increases, continuous 5-axis CNC milling typically costs over 20% higher than an indexed 5-axis machine (also referred to as 3+2 milling), and about double that of a standard 3-axis mill. To achieve the most cost-effective CNC machined parts, larger production runs are recommended to spread the cost of machine setup.
Designing parts are outside of our scope as a contract manufacturer, but we can provide some guidance on design for manufacturability . So, we can advise on how to optimize your design and reduce costs while retaining functionality.
In most cases, we will respond to your quote within 1 business day. The best way to help ensure a quick quote is to provide as much accurate and specific information as possible.
Maximum Dimensions (3-axis milling): 1270×508×635 (mm).
Maximum Dimensions (5-axis milling): 450×700×400 (mm), Worktable Diameter Φ400 mm.
Once the machining process is complete, the CNC parts surface will have slight visible tool marks, called “as-machined” or “as-milled” surface finish. Machined surface roughness (Ra) is standardized at 1.6-3.2 μm, and surface finish requirements can be increased to 0.8-1.6 μm or higher at 0.2-0.8 μm, however, this will require more operating time and higher costs.ining services do you offer?
In order to provide a meaningful quote, we require the following information:
We accept CAD data in any format, 2D and 3D, including STP, IGES, X_T, DWG, PDF, STL;
The expected quantities, machining processes, and raw materials required;
Any necessary secondary operations, including finishing specifications, heat treatment, anodizing or plating, etc.
Any applicable customer specifications, such as First Article Inspection, PPAP requirements, and required outside process certificates;
Any other useful information, such as target pricing or required lead times.
I don’t have CAD data, can you help me design the part?
Designing parts are outside of our scope as a contract manufacturer, but we can provide some guidance on design for manufacturability (DFM). With DFM, we can advise on how to optimize your design and reduce costs while retaining functionality.
How quickly can I receive a quote from you for my project?
In most cases, we will respond to your quote within 1 business day. The best way to help ensure a quick quote is to provide as much accurate and specific information as possible.
In fact, there is no standard delivery time and we will schedule production based on the current workload. Once your purchase order is received, documentation is completed, and materials are available, we will provide prompt feedback on the exact delivery time, which can usually be anywhere from 3 business days to a few weeks, depending on the complexity of the part and quantities of parts ordered.
If you’re worried about Quality Assurance for international orders, an ISO-9001-certified factory won’t let you down. With dedicated inspection equipment and skilled 70+ QC/QA staffs, we can provide 2D reports / CMM reports / 3D scan reports to ensure the quality of your parts is within the expected range.
100% of all dimensional tolerances, geometric tolerances, and print notes will be documented according to our MIL-STD-105E based statistical sampling plan with zero rejects. All dimensional inspection reports will be shipped with your parts.