CNC (Computer Numerical Control) milling is a machining process that uses computerized controls to operate and manipulate machine tools that shape materials. The process involves the use of rotary cutters to remove material from a workpiece, creating precise shapes and features.

Request A Quote

CNC Milling

Q: How do you know whether to choose a horizontal or vertical milling machine?

Vertical milling machines tend to be less expensive and take up less space, while horizontal milling machines are more durable and operate at higher speeds. Your project and budget will determine the best choice for you.

Q: What materials can a CNC machine mill?

Most rigid materials can be milled, such as metals, plastics, wood, and even carving foam.

Q: What are the most common applications for CNC milling machines?

Due to its high accuracy and precision, CNC milling is often used for machining highly complex parts. This includes pistons, pins, valves, and electrical components.

Q: When should you choose a CNC milling machine over a manual engine lathe?

Because CNC machines are so precise, they're better at machining complex parts than a manual engine lathe. You should use a CNC milling machine for complex jobs, especially if they're mission-critical components.

Q: What do you need to provide the milling machine with to start the machining process?

A CNC milling machine can only execute orders according to a computer program. In order to machine parts, you'll need a computer and the appropriate software to design the pattern and convert it into readable code.

Q: What is the typical lead time for CNC milling?

The lead time for CNC milling can vary depending on the complexity of the project, the quantity of parts required, and the current workload. Typically, lead times range from a few days to several weeks. Contact our team to discuss your specific project requirements for an accurate estimate.

Q: What quality control measures do you have in place?

Quality control measures for CNC milling include: - Inspection of raw materials- In-process inspections during machining- Final inspection of finished parts using precision measuring tools - Adherence to industry standards and client specifications

A Computer Numerical Control (CNC) milling machine is a tool used to remove material from a workpiece using rotary cutters. This process, known as milling, is essential in manufacturing for creating parts with precise dimensions and complex shapes. The machine is made up of several key components, including a base, column, spindle, worktable, and tooling.

CNC milling machines are widely used in industries such as aerospace, automotive, electronics, and medical device manufacturing. They offer high precision and the ability to produce shapes that are difficult or impossible to achieve with manual machining methods.

GET A QUOTE

Vertical Machining Centers

Vertical machining centers (VMCs) are essential in the manufacturing industry, known for their precision and versatility in machining complex parts.

HAAS Tool Room Mill (3)

Maximum Load Capacity: 1000 lbs
X-Axis 30 in (762 mm)
Y-Axis 12 in (305 mm)
Z-Axis 16 in (406 mm)

Each unit is equipped with a small rotary table, allowing it to perform multi-axis machining operations. This makes the HAAS Tool Room ideal for small to medium-sized parts requiring high precision.

HAAS VF-6

Maximum Load Capacity: 4000 lbs
X-Axis 64 in (1626 mm)
Y-Axis: 32 in (813 mm)
Z-Axis: 30 in (762 mm)

This model comes with a 12-inch rotary table, allowing for complex machining tasks that require rotational movement. The VF-6 is suitable for larger workpieces and offers substantial travel dimensions, making it versatile for a wide range of applications.

HAAS VF-3

Maximum Load Capacity: 3500 lbs
X-Axis: 40 in (1016 mm)
Y-Axis: 20 in (508 mm)
Z-Axis: 25 in (635 mm)

The VF-3 is designed to handle medium to large workpieces with precision. Its robust construction and travel dimensions make it a reliable choice for various machining tasks.

Horizontal Machining Centers

Horizontal machining centers (HMCs) are known for their ability to handle heavy-duty machining tasks with high precision and efficiency.

HAAS HS-1R

Maximum Load Capacity: 1000 lbs
X-Axis: 24 in (610 mm)
Y-Axis: 20 in (508 mm)
Z-Axis: 22 in (559 mm)

The HS-1R is perfect for small to medium-sized parts that require complex geometries. It is equipped with a 20-inch square rotary table to perform multi-axis machining operations.

HAAS EC1600 (50 taper spindle)

Maximum Load Capacity: 10,000 lbs
X-Axis: 64 in (1626 mm)
Y-Axis: 40 in (1016 mm)
Z-Axis: 32 in (813 mm)

The EC1600 has a 30-inch rotary table and a 50-taper spindle, making it suitable for heavy-duty machining tasks. A higher load capacity and travel dimensions allow it to handle large workpieces with ease.

Fryer HR-40

X-Axis: 40 in (1016 mm)
Y-Axis: 29 in (736 mm)
Z-Axis: 25 in (635 mm)

This model is equipped with a 24-inch rotary axis, providing the flexibility to perform complex machining operations. The HR-40 is designed to handle medium to large workpieces with precision.

How CMC Milling Works

The process begins with a detailed design of the part using Computer-Aided Design (CAD) software. This design is then converted into a program using Computer-Aided Manufacturing (CAM) software, specifying tool paths and cutting parameters. The operator sets up the machine by securing the workpiece on the worktable, installing the appropriate cutting tools, and calibrating the machine for accuracy.

The CNC milling machine autonomously follows the code instructions, executing the cuts with high precision and repeatability. The operator monitors the process (making adjustments if necessary) and removes the finished part once the machining is complete. The part may undergo additional processes like cleaning, inspection, and finishing to meet quality standards.

Frequently Asked Questions

CNC Milling

How do you know whether to choose a horizontal or vertical milling machine?

What materials can a CNC machine mill?

What are the most common applications for CNC milling machines?

When should you choose a CNC milling machine over a manual engine lathe?

What do you need to provide the milling machine with to start the machining process?

What is CNC Milling?

What is the typical lead time for CNC milling?

What quality control measures do you have in place?

Contact Seymour Tool & Die

Interested in our precision machining services? Contact us today with any questions, comments, or suggestions about your job and what we can do for you.

About

Services

Strategic Partnerships