koham CNC Machining Capabilities Gallery
Precision Machining
Why Koham is the Clear Choice for Ultra Precision CNC Machining
CNC (computer numerical control) is the automated control of machining tools by computer. Common CNC tools used for machining include drills, lathes, mills, grinders, routers, and 3D printers. A CNC machine follows coded programmed instructions to process a piece of material. Precision CNC machining processes materials including metal, plastic, wood, ceramic, or composite.
Koham provides high-quality, ultra-precision, CNC-machined components for all industries. When the aerospace or medical industries need complex components and failure is not an option, Koham offers parts meeting the highest degree of accuracy. We only work with durable materials like aluminum, bronze, steel, and titanium that fit into existing systems.
Have problem parts or impossible components? In a hurry? Call on the expertise of Koham.
What Is Precision CNC Machining?
CNC precision machining is the process of cutting various materials to exact specifications. In precision CNC machining, the machine operator uses CAD (computer-aided design) and CAM (computer-aided manufacturing) software. The software produces a file read by the CNC machine that defines physical boundaries and translates those dimensions into manufacturing commands. Those manufacturing commands tell the machine how to shape, form, and create a component or part out of a block of material.
The process produces components with tight tolerances that can’t be completed through other CNC machining processes. Taking a larger piece of material, typically metal, a precision CNC machine gradually removes excess material and shapes the part to the specified dimensions. This process can be used to create parts of varying shapes and sizes to meet requirements for any existing systems in any industry. Koham Industries can produce components and parts at micro tolerances.
Why Choose Koham for Ultra Precision CNC Machining?
Koham Industries is the top choice for CNC Precision Machining, known for its unmatched commitment to quality and precision. Achieving in six months what takes others two years, Koham excels in producing flawless components for critical industries like aerospace and medicine. Utilizing high-quality materials and advanced CNC machinery operated by computer programs, Koham eliminates human errors, delivering consistently accurate results.
With state-of-the-art equipment and experienced machinists, Koham Industries is a leader in producing intricate and complex parts, making it the go-to for precision machining needs across diverse industries.
View our Success Gallery to see our work!
Benefits of Precision CNC Machining
- Precision Machining reduces production costs, speeds up production, and enables cost-effective manufacturing. CNC machinery can operate continuously, 24/7, 365 days a year.
- Koham's Industries precision machining is fully computer-operated, reducing human interaction.
- Reusable computer programs eliminate potential human errors during machining.
- High-precision CNC machining ensures flawless accuracy governed by software and code.
- This method operates at high speeds, allowing quick production of multiple parts.
The benefits of precision machining, including minimal errors and reduced waste, lead to cost savings for manufacturers and customers.
Examples of Koham’ Precision CNC Precision Machining Capabilities
| Part | Application | Industry | Material | Specific Feature |
|---|---|---|---|---|
| Thruster Body | Satellite Propulsion | Satellite Component | 6Al-4v Grade 5 Titanium | EDM Nozzle Micro Taper Vectored Thru-Hole |
| Hemisphere | Ink Jet Nozzle | Industrial Printing | AISI 316 Stainless Steel | Polished 8 Micro Finish on 0.120″ Diameter |
| Body, Column, Housing | Optics | Research | AISI 304 Stainless Steel | 2 Micron Tolerance Over 10.0″ Length |
| Check Valve | Brake Fluid Flow Control | Aerospace | 18-8 Stainless Steel Cond B | 32 Microfinish on all Surfaces |
| Communication Component | Pressure Regulation | Oil & Gas | Inconel 625 113 Min KSI Yield | Acquiring Polished Finish with Turn |
| Equalizing Plunger | Pressure Valve | Oil & Gas | Stellite 6B | 0.0004″ OD Tolerance on Cobalt Alloy Part |
| Hoop Constraint | Shaft Control Cap | Oil & Gas | 4330 V Mod Steel 40-44 HRc | Holding 0.0002″ Tolerance for Nickel Plating |
| Transducer Ring | Magnetic Control Ring | Spindle Control Manufacturing | C250 Maraging Steel | Turn ID Taper within 0.0002″ |
Materials
CNC Precision Machining Materials Trusted by Koham Industries
We can satisfy the varied and particular needs of our clients in a variety of industries thanks to our broad range of material capabilities. Koham Industries has extensive experience manufacturing parts from different materials using CNC precision machining:
Alloy Steel
Alloy steels include additional elements beyond carbon, which improve their hardness, toughness, and resistance to fatigue and wear. These steels are widely used in construction, automotive, and machinery due to their enhanced properties.
| Alloy Steel | UNS Designation | DIN Designation | ISO Designation |
|---|---|---|---|
| 4140 | 1.7225 | 708M40 | 42CrMo4 |
| 4340 | 1.6565 | 817M40 | 40NiCrMo6 |
| 8620 | 1.6523 | 805M20 | 20NiCrMo2 |
| 52100 | 1.3505 | 100Cr6 | SUJ2 |
| 4142 | 1.7227 | 708M40T | 41CrMoS4 |
| 6150 | 1.8159 | 735A51 | 50CrV4 |
Aluminum
Aluminum alloys are lightweight and strong, with excellent thermal and electrical conductivity. They are also resistant to corrosion and can be anodized for added protection, making them ideal for aerospace and packaging industries.
| Aluminum Alloy | UNS Designation | DIN Designation | ISO Designation |
|---|---|---|---|
| 7075-T651 | 3.4365 | 76528 | AlZn5.5MgCu |
| 6082-T651 | 3.2315 | 64430 | AlSi1MgMn |
| 6060 | 3.3206 | EN AW-6060 | AlMgSi |
| 5052 | EN AW-5052 | 3.3523 | AlMg2,5 |
| 2017A | 3.1325 | 24530 | AlCu4MgSi |
Brass
Brass is a metal known for its easy machinability and good electrical conductivity. It is ideal for applications requiring low friction, such as gears, locks, and musical instruments.
| Brass | UNS Designation | DIN Designation | Alternative Designation |
|---|---|---|---|
| C36000 | UNS C36000 | CUZN39PB3 | CuZn39Pb3 |
| C46400 | UNS C46400 | CuZn38Al | Naval Brass |
| C93200 | UNS C93200 | Saems 660 | Bearing Bronze |
| C48500 | UNS C48500 | CuZn39Sn1 | Leaded Muntz Metal |
| C26000 | UNS C26000 | CUZN30 | Cartridge Brass |
| C37700 | UNS C37700 | CUZN40PB2 | Forging Brass |
Copper
Copper is excellent at conducting heat and electricity, making it perfect for electrical uses like busbars and wire connectors. It is easily recognized by its shiny reddish-orange color and is also used in plumbing and roofing.
| Copper | UNS Designation | DIN Designation | Alternative Designation |
|---|---|---|---|
| C11000 | UNS C11000 | Cu-ETP | Electrolytic Tough Pitch (ETP) Copper |
| C10100 | UNS C10100 | OF-OK | Oxygen-Free Electronic (OFE) Copper |
| C10200 | UNS C10200 | OF-Cu | Oxygen-Free (OF) Copper |
| C28000 | UNS C28000 | CuZn40 | Muntz Metal |
| C14500 | UNS C14500 | TeCu | Tellurium Copper |
Hastelloy
Hastelloy is a group of nickel alloys known for their high resistance to corrosion, pitting, and stress-corrosion cracking. They are often used in harsh environments like chemical processing and aerospace, where durability is crucial.
| Hastelloy | UNS Designation | DIN Designation | Alternative Designation |
|---|---|---|---|
| C276 | UNS N10276 | 2.4819 | NiMo16Cr15W |
| C22 | UNS N06022 | 2.4602 | NiCr21Mo14W |
| B-2 | UNS N10665 | 2.4617 | NiMo28 |
| X | UNS N06002 | 2.4665 | NiCr22Fe18Mo |
| C2000 | UNS N06200 | 2.4675 | NiCr23Mo16Cu |
| G-30 | UNS N06030 | 2.4603 | NiCr29Mo9Fe |
Inconel
Inconel is a strong, corrosion-resistant nickel alloy, ideal for challenging aerospace applications. It can withstand extreme temperatures and pressures, making it suitable for jet engines and gas turbines.
| Inconel | UNS Designation | DIN Designation | Alternative Designation |
|---|---|---|---|
| 718 | UNS N07718 | 2.4668 | NiCr19Fe19Nb5Mo3 |
| 625 | UNS N06625 | 2.4856 | NiCr22Mo9Nb |
| 600 | UNS N06600 | 2.4816 | NiCr15Fe |
| X-750 | UNS N07750 | 2.4669 | NiCr15Fe7TiAl |
| 601 | UNS N06601 | 2.4851 | NiCr23Fe |
| 725 | UNS N07725 | 2.4668 | NiCr19Fe19Nb5Mo3 |
Invar
Invar is a nickel alloy with very low thermal expansion, making it highly stable and perfect for precision applications such as instrumentation and aerostructure molds. It is also used in scientific instruments where dimensional stability is critical.
| Invar | UNS Designation | DIN Designation | Alternative Designation |
|---|---|---|---|
| 36 | UNS K93600 | 1.3912 | FeNi36 |
| 42 | UNS K94200 | 1.3917 | FeNi42 |
| 48 | UNS K94800 | 1.3922 | FeNi48 |
| 32-5 | UNS K94610 | 1.3911 | FeNi32-5 |
| 42-6 | UNS K94620 | 1.3913 | FeNi42-6 |
| 46 | UNS K94630 | 1.3914 | FeNi46 |
Maraging Steel
Maraging steels are ultra-high-strength steels that are easy to machine and weld without causing distortion. They gain their exceptional hardness and toughness from a special heat-treating process, making them suitable for aerospace and tooling applications.
| Maraging Steel | UNS Designation | DIN Designation | Alternative Designation |
|---|---|---|---|
| 200 | UNS K93120 | 1.6359 | 20Ni Maraging Steel C200 |
| 250 | UNS K92890 | 1.6358 | 18Ni Maraging Steel C250 |
| 300 | UNS K93120 | 1.6354 | 18Ni Maraging Steel C300 |
| 350 | UNS K93160 | 1.6356 | 18Ni Maraging Steel C350 |
| 400 | UNS K91460 | 1.6352 | Custom 465 Stainless |
| 500 | UNS K92810 | 1.6354 | Custom Age 625 Plus |
Stainless Steel
Stainless steel is known for its strength, heat, and corrosion resistance, along with its durability and attractive appearance. These qualities make it suitable for a wide range of uses, including kitchenware, medical instruments, and construction.
| Stainless Steel | UNS Designation | DIN Designation | Alternative Designation |
|---|---|---|---|
| 316L | UNS S31603 | X2CrNiMo17-12-2 | Stainless Steel 316L |
| 304 | UNS S30400 | X5CrNi18-10 | Stainless Steel 304 |
| 17-4 PH | UNS S17400 | X5CrNiCuNb16-4 | Stainless Steel 17-4 PH |
| 303 | UNS S30300 | X8CrNiS18-9 | Stainless Steel 303 |
| 420 | UNS S42000 | X20Cr13 | Stainless Steel 420 |
| 440C | UNS S44004 | X105CrMo17 | Stainless Steel 440C |
Titanium
Titanium is a lightweight metal with excellent strength, low thermal expansion, and high corrosion resistance. Its ability to be sterilized and its biocompatibility make it unique, especially in medical implants and aerospace components.
| Titanium Grade | UNS Designation | DIN Designation | Alternative Designation |
|---|---|---|---|
| 5 (Ti-6Al-4V) | UNS R56400 | 3.7165 | Ti-6Al-4V |
| 2 | UNS R50400 | 3.7035 | CP Titanium |
| 23 (Ti-6Al-4V ELI) | UNS R56401 | 3.7165 | Ti-6Al-4V ELI |
| 9 (Ti-3Al-2.5V) | UNS R56320 | 3.7195 | Ti-3Al-2.5V |
| 7 (Ti-0.2Pd) | UNS R52400 | 3.7235 | Ti-0.2Pd |
| 12 (Ti-0.3Mo-0.8Ni) | UNS R53400 | 3.7105 | Ti-0.3Mo-0.8Ni |
Tool Steel
Tool steels are hard, stiff, and resistant to abrasion, making them perfect for manufacturing industrial tools. Their robustness is essential for cutting, drilling, and molding applications in various industries.
| Tool Steel | UNS Designation | DIN Designation | Alternative Designation |
|---|---|---|---|
| D2 | UNS T30402 | 1.2379 | X155CrVMo12-1 |
| M2 | UNS T11302 | 1.3343 | HS6-5-2C |
| A2 | UNS T30102 | 1.2363 | X100CrMoV5-1 |
| S7 | UNS T41907 | 1.2355 | 50CrMoV13-15 |
| O1 | UNS T31501 | 1.2510 | 100MnCrW4 |
| H13 | UNS T20813 | 1.2344 | X40Cr |
Industries
Koham Provides Precision CNC Machining in Over 9 Industries
Koham Industries works with and serves multiple industries to provide high-precision CNC parts and components. In many industries, precision can be the difference between success and failure or even life or death. Companies in these sectors require and demand parts with the highest accuracy possible.
Aerospace
Aircraft
Military & Defense
Energy
Oil & Gas
Optics
Pharmaceutical
Cutting Edge CNC Machines for Ultra-Precision Components
Koham Industries machines complex, tight-tolerance components using advanced German and Swiss CNC equipment built for ultra-precise manufacturing. Our CNC machines support high-spec industries where accuracy, repeatability and consistency directly impact performance, compliance and long-term reliability.
FAQ
Precision Machining FAQs
What is precision machining?
Precision machining removes extra material to create a high tolerance product, often with complex geometric cuts, using computer numerical control (CNC) machine tools. Precision machining is often used to create objects with many small parts. A wide variety of materials can be used for precision machining, including brass, bronze, glass, graphite, plastic, steel, titanium and more.
What is the difference between CNC machining and precision machining?
Precision machining is used to create products to very exact specifications, while CNC machining is a more general term used to describe any machining done or products made by CNC (computer numerical control) machines. Precision machining is a type of CNC machining used for situations where having specifications be slightly off can be a matter of life or death, such as creating products for the aerospace or medical industries.
What industries use precision machining?
Industries that use precision machining include aerospace, medical, alternative energy, construction, agriculture, mining, automotive, oil & gas, recreational and more. Due to its versatility and high quality, precision machining is used in any industry where parts need to be produced to exact specifications.
What are the advantages of using precision machining?
Using precision machining ensures the manufacturing process is not affected by human error. Other advantages include optimal efficiency, increased speed, a lower risk factor for employees, less waste and lower production costs. Precision machining is also a great career that will attract professionals with a high level of expertise.
What is the precision of CNC?
CNC can provide a high degree of precision and part complexity. Tolerances typically range from 0.0002″ to 0.0005″ depending on the type of CNC machine and cutting head.