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Tooling Fixtures CNC Machining for Assembly & Calibration
Tooling fixtures for assembly and calibration are precision fixtures that have been machined to ensure accurate positioning for machining and verification of quality during the manufacturing process at Zintilon. We have developed CNC machines for assembly jigs, calibration standards, and inspection fixtures, which have provided and will provide the aerospace, automotive, electronics, and other precision manufacturing industries with repeatability, dimensional stability, and reliability for the precision engineering which is required for the aerospace and automotive industries.
- Machining for precision locating features and reference surfaces
- Tight tolerances up to ±0.0005 in for repeatability
- Precision milling, grinding & gauge quality finishing
- Support for rapid prototyping and full-scale production
- ISO 9001-certified manufacturing with tooling expertise
Trusted by 15,000+ businesses
Why Medical Companies
Choose Zintilon
Fast Delivery
A professional engineering team that can respond quickly to customer needs and provide one-stop services from design to production in a short period of time to ensure fast delivery.
High Precision
We are equipped with automated equipment and sophisticated measuring tools to achieve high accuracy and consistency, ensuring that every part meets the most stringent quality standards.
ISO13485 Certified
As a ISO13485 certified precision manufacturer, our products and services have met the most stringent quality standards in the automotive industry.
From Prototyping to Mass Production
Zintilon supplies CNC machining for tooling fixtures and other manufacturing aids to production facilities, QC laboratories, and assembly operations worldwide.
Prototype Tooling Fixtures
Acquire high-accuracy prototypes of assembly fixtures that mirror your design exactly. Assess component positioning, confirm measurement repeatability, and evaluate operator ergonomics before commissioning tooling for full-scale production.
Key Point
Key Point
- Rapid prototyping with high precision
- Tight tolerances (±0.0005 in)
- Test design, repeatability, and functionality early
EVT – Engineering Validation Test
Prototype tooling fixtures in rapid succession to completion. Validate that all dimensional and repeatability specifications are satisfied. Proactively locate issues to ensure an easier process for full-scale manufacturing fixture production.
Key Point
Key Point
- Validate prototype functionality
- Rapid design iterations
- Ensure readiness for production
DVT – Design Validation Test
Validate the dimensional accuracy and measurement repeatability of tooling fixtures using different materials and locating configurations to ensure design accuracy and optimal positioning precision before mass production.
Key Point
Key Point
- Confirm design integrity and repeatability quality
- Test multiple materials and configurations
- Ensure production-ready performance
PVT – Production Validation Test
Identify and mitigate potential manufacturing challenges for large-scale production of tooling fixtures to ensure production consistency and efficiency before actual production.
Key Point
Key Point
- Test the large-scale production capability
- Detect and fix process issues early
- Ensure consistent part quality
Mass Production
Quickly and accurately manufacture production-grade, high-quality, and high-precision tooling fixtures at large volumes, making sure to provide dependable manufacturing support to and on-schedule deliveries to production plants and to quality control departments.
Key Point
Key Point
- Consistent, high-volume production
- Precision machining for gauge-quality standards
- Fast turnaround with strict quality control
Simplified Sourcing for
the Medical Industry
Our precision manufacturing capabilities are widely used in the medical industry. CNC machining, sheet metal fabrication and other technologies ensure high precision and heat resistance in the application of medical grade materials such as titanium alloy and PEEK.
Explore Other Semiconductor Components
Browse our complete selection of CNC machined semiconductor components, crafted for durability and ultra-tight tolerances. From precision tooling and fixture parts to vacuum chambers and wafer handling systems, we deliver solutions tailored to advanced semiconductor production.
Assembly & Calibration Tooling Fixtures Machining Capabilities
Tooling Fixtures CNC Machining for Assembly and Calibration, which combines advanced CNC multi-axis machining centers and precision grinding machines, CNC equipped and certified with CMM for calibration, and the most seasoned machinists, is perfected. Engineered for sub-micron repeatability, low wear, and small thermal expansion to perform under extreme production and metrology conditions, every element, from kinematic locator assembly jigs to calibration reference standards and precision measuring surfaces of go/no-go gauges with boundary control, is designed.
We execute precision CNC milling for fixture bodies and locating features, perform surface grinding for flatness, utilize EDM for complex geometry, and implement dimensional stabilization along with CMM inspection and gauge R&R validation. Each tool fixture is constructed with aluminum alloys (6061-T6, 7075-T6, MIC-6), tool steels (D2, A2, O1), stainless steels (17-4 PH, 416), cast iron (Class 40), and granite for optimal deformation resisting, wear resisting, thermal expansion balance, and dimensional stability during continuous usage on assembly lines, in inspection stations, and in calibration laboratories.
We execute precision CNC milling for fixture bodies and locating features, perform surface grinding for flatness, utilize EDM for complex geometry, and implement dimensional stabilization along with CMM inspection and gauge R&R validation. Each tool fixture is constructed with aluminum alloys (6061-T6, 7075-T6, MIC-6), tool steels (D2, A2, O1), stainless steels (17-4 PH, 416), cast iron (Class 40), and granite for optimal deformation resisting, wear resisting, thermal expansion balance, and dimensional stability during continuous usage on assembly lines, in inspection stations, and in calibration laboratories.
Aerospace
Materials & Finishes
Materials
We provide a wide range of materials, including metals, plastics, and composites.
Finishes
We offer superior surface finishes that enhance part durability and aesthetics for applications requiring smooth or textured surfaces.
Specialist Industries
you are welcome to emphasize it in the drawings or communicate with the sales.
Materials for Tooling Fixtures Components
Our CNC machine shop offers a wide range of materials for Tooling, Fixtures, and Machining for Assembly & Calibration. With 15+ precision materials and gauge-quality alloys, we support rapid prototyping and precision manufacturing tooling production with consistent quality and industrial metrology material specifications.
High machinability and ductility. Aluminum alloys have good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance.
Price
$ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.003 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Stainless steel alloys have high strength, ductility, wear and corrosion resistance. They can be easily welded, machined and polished. The hardness and the cost of stainless steel is higher than that of aluminum alloy.
Price
$ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Steel is a strong, versatile, and durable alloy of iron and carbon. Steel is strong and durable. High tensile strength, corrosion resistance heat and fire resistance, easily molded and formed. Its applications range from construction materials and structural components to automotive and aerospace components.
Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.001 mm (routing)
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Titanium is an advanced material with excellent corrosion resistance, biocompatibility, and strength-to-weight characteristics. This unique range of properties makes it an ideal choice for many of the engineering challenges faced by the medical, energy, chemical processing, and aerospace industries.
Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Highly resistant to seawater corrosion. The material’s mechanical properties are inferior to many other machinable metals, making it best for low-stress components produced by CNC machining.
Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Brass is mechanically stronger and lower-friction metal properties make CNC machining brass ideal for mechanical applications that also require corrosion resistance such as those encountered in the marine industry.
Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Few metals have the electric conductivity that copper has when it comes to CNC milling materials. The material’s high corrosion resistance aids in preventing rust, and its thermal conductivity features facilitate CNC machining shaping.
Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Zinc is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed.
Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Iron is an indispensable metal in the industrial sector. Iron is alloyed with a small amount of carbon – steel, which is not easily demagnetized after magnetization and is an excellent hard magnetic material, as well as an important industrial material, and is also used as the main raw material for artificial magnetism.
Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Due to the low mechanical strength of pure magnesium, magnesium alloys are mainly used. Magnesium alloy has low density but high strength and good rigidity. Good toughness and strong shock absorption. Low heat capacity, fast solidification speed, and good die-casting performance.
Price
$ $ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Let’s Build Something Great, Together
FAQs: Tooling Fixtures for Assembly & Calibration Applications
Tooling fixtures are precision positioning devices that are responsible for component placement and measurement during manufacturing and quality assurance processes. Examples of these are: assembly jigs, which position parts for welding, bonding, or fastening, and work within a 0.025mm repeatability; inspection fixtures, which hold components for verification of dimensions and correlation measurements; calibration standards that provide gauge validation traceable reference dimensions; go/no gauge for fast attribute inspection; functional test fixtures that simulate operational conditions; poka-yoke devices for error-proof assembly; modular fixture systems that allow design flexibility for a product family; alignment fixtures for optical assemblies, nesting fixtures for machining operations, and special checking fixtures for first article inspection that require positional accuracy of 0.010mm, and measurement repeatability of 0.005mm
Aluminum 6061-T6, 7075-T6, and MIC-6 have excellent machinability, which makes it possible to create complex locating features. In addition, they have a lightweight structure, which is necessary for operator ergonomics, and satisfactory stiffness for most usage. They also have low thermal expansion of 23 ppm/K, and they are cost-effective. Tool steel D2, A2, and O1 acquire high hardness to 62 HRC after heat treatment, which provides wear resistance that exceeds 1 million contact cycles, and also gives them dimensional stability and precision grindability for gauge surfaces. Stainless steel 17-4 PH and 416 and corrosion corrosion-resistant, machinable, moderately hard to 44 HRC, and they blend durability with rust prevention. Cast iron Class 40 is excellent with vibration damping, dimensional stability, and flatness retention with cast iron inspection surface plates. For metrology applications, granite provides superior flatness and maximum thermal stability with expansion below 8 ppm/K.
For tooling fixtures, CNC 5-axis milling yields the best results. It generates fixture profiles with features where tolerances are maintained to within ±0.0005 inches for locating pins, clamps, and mounting interfaces. For reference surfaces, flatness tolerances to within 0.0005 inches per foot, and surface finish, tolerances to 0.4 Ra microns or finer are achieved with surface grinding. Precision locating patterns are drilled to within ±0.0002 inches for locating holes. Cylindrical grinding creates precision pins where diametric tolerances to ±0.00005 inches are maintained. For intricate recesses and narrow slots, EDM is used. For cutouts, wire EDM is used, and tolerances to ±0.0002 inches are achieved. The workpieces undergo heat treatment and wear.
We report positional tolerances of ±0.0002 inches for locating features, which provides submicron placement repeatability for mounting components. Flatness tolerances of 0.0005 inches per foot for reference surfaces give stable datums, ±0.00005 inch for the diameters of precision slip-fit locating pins, perpendicularity within 0.0003 inch, parallelism within 0.0005 inch for mating components, and surface roughness of machining below 0.4 Ra microns. The findings of the gauge R&R are below 10 percent, indicating control of positional repeatability within 0.005mm for 6-sigma capability, and the contact surfaces of the tooling fixtures support measurement system analysis.
Yes, Zintilon does perform advanced prototyping for the preliminary design and validation of production fixtures, as well as for the gauge R&R studies for measurement system capability assessments surpassing Cpk 1.33. We also engage in low-volume custom production for specialized manufacturing operations and custom tooling for volume ranges of 10 to 100 fixtures, as well as moderate-volume production for standard fixturing solutions for thousands of fixtures on an annual basis. These fixtures are made available complete for dimensional inspection using CMM equipment with measurement uncertainty of 0.001mm, repeatability testing of the fixtures, and a range of other assessments of surface finish, documented hardness testing, material certification, ns inclusive of hardness, thermal expansion coefficients, and a lot more detailed in first article inspection reports with provisions of GD&T callouts.
All component manufacturing is performed under an ISO 9001 certified quality management system, hence the information traceability and material compliance reports, composition certs, and heat treatments, as well as dimensions through calibrated CMM equipment with traceability to NIST standards, repeatability through gauge R&R study, and compliance documents for all standards of manufacturing and gauging with ASME Y14.5 and ASME B89. The report also covers compliance with the 10 percent gauge rule, measurement system analysis per the AIAG, and the functional validation through process thermal cycling of the tooling from 15 to 30 degrees Celsius
We provide all requested surface finishing options such as precision grinding to a surface finish of less than 0.4 Ra microns on reference surfaces and locating features; hard anodizing Type III on Aluminum that increases wear resistance to hardness greater than 65 HRC; and thickness of the coating from 25 to 75 microns, followed by electroless nickel plating that provides even hardness of 48 to 52 HRC and corrosion protection. Further options include surface hardened to 70 HRC for extreme wear resistance by nitriding tool steel, black oxide coating, corrosion resistance, and reduction of light reflection, chromium plating for hardness, and sand for low friction on sliding surfaces. Lastly, specialized treatments such as stress-relief annealing, cryogenic treatment for dimensional stability, and lapping for optical-quality flatness to 0.0002 inches will complete the order.
10 to 15 business days, which includes all machining operations, heat treatment if required, surface finish, and dimensional verification of the standard assembly and inspection fixtures from established designs. 4 to 6 weeks for complex custom fixture assemblies that include integrated sensors and multiple locating systems. Prototype tooling fixtures for process validation are time sensitive and can be accomplished within 7 to 10 days, depending on heat treatment requirements and the material availability.
Certainly. We create specialized tooling fixtures for various production processes. These include ergonomic fixture designs aimed at operator fatigue and cycle time reduction, modular designs for rapid changeover mixed-model production lines (which reduce setup time by 50 to 70 percent), and automation incorporating pneumatic or hydraulic clamps. We also have sensor-based smart fixtures for measurement feedback, poka-yoke verification, and process control, as well as temperature-compensated fixtures that sustain formations within ±5°C and kinematic couplings that promote repeatable positioning within 0.001mm. Other notable designs include vacuum fixtures for fragile parts, magnetic fixtures for ferrous components, self-centering locators for cylindrical features, and multi-station progressive fixtures for sequential assembly operations.
Placement repeatability is within 0.005mm when the locating feature is within ±0.0002 inches, which allows consistent assembly quality and streamlining accuracy throughout the production runs. Measurement bias is avoided, thus maintaining gauge R&R under 10% and the Six Sigma standard met, when the reference surface flatness is controlled within 0.0005 inches. Accurate and precisely shaped patterns for pins and slip fit holes achieve 0.001 to 0.003mm slip fits to location repeatability for disengagement without binding. Dimensional stability is retained on hardened surfaces after heat treatment, even after 1 million cycles and more contact due to wear surfaces. Drift in positioning is not obtained. Perpendicularity within 0.0003 inches assures aligned assemblies for unassembled components to prevent angular errors. Thermal stability in high precision materials allows fixtures to retain their geometry within 0.002mm, even with production temperature varying between 20and 25 25°C. Beyond 0.4 Ra micron quality surface finish enhances the longevity of the fixture to sustain active service. Crafted to improve the cost-performance ratio to meet the defined target without over-engineering.
Precision manufacturing supports the assembly and calibration of sophisticated aerospace components that require positional accuracy of 0.025 mm, automotive body-in-white fixturing that supports a 0.5 mm build tolerance, electronics assembly jigs that maintain component placement accuracy of 0.010 mm, medical device inspection fixtures that attain a measurement uncertainty below 0.003 mm, and calibration laboratories that keep reference standards traceable to the NIST with uncertainty ratios of over 10:1. For aerospace components, this technology ensures the high quality of products, process capability indices exceeding Cpk 1.67, and the reliability of measurement systems throughout the service life of fixtures that span several years in high-volume manufacturing operations.
Precision manufacturing supports the assembly and calibration of sophisticated aerospace components that require positional accuracy of 0.025 mm, automotive body-in-white fixturing that supports a 0.5 mm build tolerance, electronics assembly jigs that maintain component placement accuracy of 0.010 mm, medical device inspection fixtures that attain a measurement uncertainty below 0.003 mm, and calibration laboratories that keep reference standards traceable to the NIST with uncertainty ratios of over 10:1. For aerospace components, this technology ensures the high quality of products, process capability indices exceeding Cpk 1.67, and the reliability of measurement systems throughout the service life of fixtures that span several years in high-volume manufacturing operations.
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