CNC Grinding Services
Our advanced CNC grinding capabilities ensure exceptional precision and surface finish on a wide range of materials, including metals, alloys, ceramics and plastics. From fine surface finishes to exacting tolerances, we are committed to providing best-in-class grinding solutions that exceed industry standards. Contact us today for a free, instant quote.
One-Stop Supplier of CNC Grinding Solutions
As part of Elimold’s comprehensive manufacturing capabilities, we are proficient in all grinding methods. Our grinding department is staffed by experienced professionals and is an integral part of our full-service manufacturing capabilities. Our high level also allows us to offer grinding as a stand-alone service, giving customers the opportunity to fully benefit from this precision service. Our facility has a wide range of manual and computer-controlled equipment that enables us to achieve high dimensional and geometric accuracy as well as high-precision surface finishes. We have the ability to grind parts of various sizes, shapes and geometric complexity. Our cylindrical grinding equipment has a working range of 13.0 inches in diameter and 69.0 inches between centers, and we can process straight, tapered or contoured external surfaces. We perform internal diameter grinding of holes as small as 0.25 inches in diameter or as large as 10.0 inches in diameter. Our surface grinders achieve very fine surface finishes, precise dimensions and excellent flatness, and we also provide polishing services to remove oxides and create defect-free surfaces. Our employees understand all the basic aspects of precision grinding, and they select the best abrasives and grit sizes to complete each grinding task. All of our grinding processes produce excellent results with dimensional tolerances as close as ±0.0001 inches.
In addition to processing parts made from a variety of metals, including alloy steels, bronzes, and hardened high-strength super alloys, our grinding department also grinds a variety of polymer materials and ceramic materials, among others. We are ISO 9001 certified, and our quality assurance includes profilometer, coordinate measuring machine (CMM) inspection, and a range of other measurement analysis based on your specifications. We have the flexibility to handle small or large batch production. In addition to grinding and polishing, we also provide many other supporting services, including heat treatment, electroplating and coating, dynamic balancing, and more. To learn more about our grinding capabilities or to request a quote, please contact us today.
CNC Precision Grinding Capabilities
Our factory is equipped with state-of-the-art CNC precision grinding machines. As a result, we can perform highly specialized small cylindrical grinding operations, from 0.2mm to 20mm in diameter, with very tight tolerances, very fine surface finish requirements, and complex shapes and forms.
- ID / OD Grinding Tolerances ± 0.00007″ (±0.002mm)
- Roundness to ±0.0002″ (±0.005mm)
- Cylindricity to ±0.0002″ (±0.005mm)
- Roughness: Ra 0.08mm
- Materials Hardness: Up To HRA 94.5
Engineering Consulting Services
Our primary capability is in the manufacture of parts for prototype or production purposes, especially in the development of existing or new parts. We provide engineering consulting to help our customers realize their precision part designs by using the CNC grinding process that best suits their application. We offer an engineering consulting service to assist your design team with design for manufacturing (DFM) and assembly (DFMA). The cost and time savings of this service are immeasurable, allowing you to have Elimold’s experienced team of experts by your side every step of the way. As our customers move through the development process, our engineers become an integral part of their team, working together to achieve your project’s success.
Precision CNC Grinding Services to Meet Your Exact Needs
Elimold’s team of trained experts will select the precision grinding method that achieves your goals, meets the initial setup costs, and meets your specifications. Regardless of the method, customers can expect to receive a perfectly finished product.
OD Grinding
ID Grinding
Vertical Grinding
Rotary Grinding
Centerless Grinding
ID Honing
Flat Lapping
Form Grinding
Tool Grinding
CNC Precision Grinding Shop
Elimold has a proven track record with an in-house CNC machining factory and a large grinding shop. With 25,400 square feet of grinding manufacturing space and a team that has the resources and expertise you need, and more than 30 advanced CNC grinding machines, our largest grinding equipment can handle items up to 60 inches in length and 12 inches in diameter. With processes such as cylindrical grinding, OD grinding, grinding and rotary surface grinding, we can complete your custom parts with excellent surface quality and high-precision tolerances. From precision “grinding service” operations to “finish” machining and grinding, Elimold is the first choice for high-quality components and parts for your precision applications. And our precision CNC grinding shop can operate 24/7, 365 days a year, and the machines are equipped with advanced robotic arms and control systems to reduce labor costs and increase productivity. We pass this efficiency on to our customers at an affordable cost and fast turnaround time. For industries with low tolerance for error, precision grinding services are essential. Elimold utilizes cutting-edge machinery to deliver precise, high-quality products on time. We provide custom solutions based on your project’s specifications in terms of size, material and finish.
Precision CNC Grinding Services for High-Volume and Complex Solutions
Elimold uses computer numerically controlled grinding machines, better known as CNC grinding machines, for high-volume precision grinding. Conventional ID, OD, and surface precision grinding techniques are typically used for precision grinding on lower-quantity jobs with multiple features. CNC precision grinding is typically used for recurring precision grinding jobs requiring extreme, repeatable accuracy. CNC grinding services are also used for accuracy on difficult parts such as those requiring contour grinding, angles, tapers, spheres, radii, and shutoffs. The exacting digital nature of a CNC grinding machine ensures efficient processing that is consistent, repeatable, and identical every time.
Precision CNC Grinding Service Provider
Elimold offers a wide range of precision grinding services for applications across numerous industries. We understand that every business has unique needs and will always provide a custom solution that best meets your project requirements. At our machine shop, we understand that every project is unique, which is why we work closely with our customers to ensure that their parts are machined to their exact specifications. No matter how complex the project, we are committed to delivering high-quality parts on time and within budget. We are confident that if you choose to work with our experienced team of industrial grinding professionals, you will find us to be a long-term partner in providing these services. No matter the unique specifications of your job, Elimold is fully capable of getting the job done.
Ready to use Elimold's precision grinding service?
Take your project efficiency to the next level with Elimold. Our experienced professionals can help you refine any initial design and use our CNC Grinding services to produce a final product that meets your exacting standards for quality, durability, and precision. Contact us today for a free instant quote.
Our CNC Grinding Equipment
Each of our CNC grinding machines is optimized for the specific workpiece and precision requirements of the components it is designed to grind, ensuring optimal performance in its respective application.
Tool & Cutter Grinder
Surface Grinder
Cylindrical Grinder
Centerless Grinder
Gear Grinder
Thread Grinder
Crankshaft Grinder
Camshaft Grinder
Grinding Service Partner
Elimold is a CNC machining manufacturer with an in-house surface grinding shop that offers precision grinding and CNC machining services. In addition to offering other precision CNC machining processes, our team ensures that you get the surface grinding you need for your parts. As a company, our goal is to ensure that you get the same quality parts, regardless of your production needs. We work hard to create processes that produce precise and high-quality products using durable materials to keep you and your customers happy. Precision is critical in surface grinding and can affect how well your parts run. Imprecise or careless work from other surface grinding professionals can affect your manufacturing. Our precision grinding and machining team understands these processes and how they can affect your overall product quality. We take the time to work with you to plan your parts, review your schematics, and take the time to understand exactly what you need us to do. In this way, we strive to provide accurate, efficient work that meets your needs. No matter what your industry is, our team can help you grind the parts you need to keep you ahead in a competitive field.
What is Precision Grinding?
Precision grinding is a finishing process used to remove small amounts of material from a workpiece during manufacturing. A grinding tool, typically a rotating wheel or belt, contacts the workpiece and facilitates material removal. Grinding is often used as a finishing process and is a cost-effective and reliable method to obtain precise tolerances and a beautiful surface finish on manufactured parts. Precision grinding is often used to meet high-precision tolerances as low as +0.00025”. In addition, the process is often used to obtain a polished surface finish on parts. Precision grinding can be used as a final finishing process or can be used to prepare parts for other finishing processes such as honing, grinding, and super finishing. While grinding can be done manually using equipment such as belt grinders and angle grinders during precision grinding, CNC automated grinding produces superior results in terms of efficiency and surface quality.
Advantages of CNC Grinding Process
- Tight tolerances, it can grind down pieces to incredibly precise measurements.
- Grind to mirror finishes on flat and square surfaces.
- Using form grinding (shaped wheels) or fixture grinding can achieve curved or angled geometry.
- Variable wheel speeds to customize the surface finish on different materials.
- Grind entire runs identically. Every piece will be the exact same size and shape .
Material Options
At Elimold, our experts can evaluate your needs and provide custom precision components, from prototypes to low-volume to high-volume production. We work with ferrous metals, nonferrous metals, tool steels, aluminum alloys, stainless steels, ceramics, aerospace-grade alloys, tungsten carbide, and engineered plastics. Here is a complete list of the materials we use in our precision cylindrical grinding services:
- Aluminum
- Brass
- Beryllium
- Bronze
- Carbide
- Cast Iron
- Cobalt
- Copper
- Gold
- Incomel
- Lead
- Magnesium
- Molybdenum
- Nickel
- Platinum
- Silver
- Steel
- Stainless Steel
- Tin
- Tantalum
- Titanium
- Tungsten
- Zinc
- Zirconium
- Ceramics
- Plastics
- Rubber
- Composites
Post-Processing Options
Surface finishing improves the texture (levels, roughness and waviness) of a machined part, which, when applied correctly, can enhance functionality, durability and aesthetics. Our expert CNC precision grinding engineers recognize the critical role of perfect surface finishing, especially in aerospace and medical applications. Below are the common finishing processes our team provides for CNC ground parts.
- Cleaning
- Deburring
- Surface Treatment
- Heat Treatment
- Dimensional and Tolerance Inspection
- Corrosion Protection
- Assembly
Certification & Quality Assurance
Common grinding applications include finishing complex joints and precision machined parts with tight surface finish and geometric tolerances. From designing and prototyping custom components to performing CNC milled precision machining, we are committed to providing exceptional consistency and quality control in compliance with the latest ISO 9001:2015 standards. We pride ourselves on exceeding customer expectations, meeting high quality, on-time delivery, and unmatched flexibility. As a result, we take quality control very seriously; each component undergoes multiple inspection procedures throughout the manufacturing process. We perform inventory lot control, dimensional certification, traceability, material test reports, thermal analysis, and statistical process control before delivering any part or assembly to our customers.
Quality Testing Equipment
- Optical Profilometer
- Standard Metrology Instruments
- Micrometers
- Slide Calipers
- Height Gages
- Depth Gages Indicators
- Bore Gages
- Squares / Angles
- Gage Blocks
- Granite Surface Plates
- Rotary Tables
Industries We Serve
- Wind Energy
- Racing
- Rotary Union
- Bearing and Seal Industry
- Medical Equipment
- Gear Industry
- Gear Reducers and Couplings
- Food Packaging Industry
- Rail Industry
- Oil and Gas
- Construction and Mining Equipment
- Diesel and Natural Gas Engines
- Diesel-Electric Locomotives
- Automotive Industry
- Injection Molding Industry
- Machinery and Equipment Industry
- Air Transportation
Precision CNC Grinding Applications
The various applications of precision CNC grinding involve high-precision machining of parts that require tight tolerances and smooth surfaces, providing applications with parts with excellent accuracy and surface quality to achieve optimal performance.
- Turbine blades
- Compressor rotors
- Engine shafts
- Generator rotors
- Steam turbine shafts
- Gas turbine blades
- Drill bits
- Valve seats
- Pump components
- Motor shafts
- Precision gears
- Appliance components
- Surgical instruments
- Implantable devices
- Medical device housings
- Engine components
- Gearboxes
- Hydraulic pistons
- Crankshafts
- Camshafts
- Brake discs
- Robotic arm joints
- Precision gears
- Actuator components
- Pneumatic components
- Hydraulic components
- Assembly system parts
- Bearings
- Gear components
- Pump impellers
- Reactor vessel components
- Control rods
- Fuel rod spacers
Alternatives to Precision Grinding
For precision parts in certain industry applications, abrasive grinding may not be ideal. Therefore, Elimold offers several alternatives to precision grinding.
Reaming
Reaming is a machining process that uses a milling machine or drill to enlarge existing holes or bores, smooth their internal surfaces, and obtain precise dimensions. Reaming can obtain tolerances similar to precision grinding — as tight as +0.0002”. While reaming can achieve low tolerances, it is exclusively used for internal holes.
Lapping
Lapping is a finishing process that uses an abrasive slurry to remove small amounts of material and create precise dimensions in a workpiece. An abrasive powder is mixed with water or oil to create a slurry and is then used to fill the gap between two surfaces rubbing against each other. The workpiece stays stationary while a “lap plate” performs a reciprocating motion against the part. Lapping can achieve dimensions as precise as 0.00002” or 0.5 microns — making it an excellent choice for achieving precise dimensions. While precise dimensions can be achieved, surface quality is not always uniform as a result of lapping.
Your Premier Provider of Precision Grinding Services
Precision grinding of machined parts is essential in a wide range of industries, from the electronics and medical-device to the aerospace and automotive industries, countless parts require precision grinding to meet their fit and function. It is usually the final process in the manufacturing cycle, where tight tolerances are required to achieve the Engineer’s goal. Whether it is a tight tolerance, a precision smooth surface finish, or a hardened material that can not be machined, at Elimold., we have a reputation for providing quality precision grinding services to meet your unique needs.
Request Your Free CNC Grinding Quote Today
After receiving your drawings, our engineers will analyze your custom CNC Grinding parts right away. We actively work with you to clarify all details before providing a quote that is both economical and accurate.