Profile milling with router and milling table - How to mill perfect profiles
Profile milling makes it possible to give workpieces a shape or contour on the edge or surface. Profile milling plays a central role in woodworking. It is therefore important to know what you need for this and how it is carried out. In this guide, we dive into the variety of machines and tools that are essential for profile routing with a router table.
Profile milling in wood
Table of contents
- The most important facts at a glance
- Definition: What is profile milling?
- Procedure: Step-by-step instructions
- Tips for improving the milling result
- What machines are available for profile milling?
- What tools are available for profile milling?
- Which materials are suitable besides wood?
- FAQ
The most important facts at a glance
- Selection: Determine the right machine and suitable tool
- Safety: Correct handling and protective measures
- Optimization: uniform feed, correct speed, sharp tool
Definition: What is profile milling?
Profile milling is a milling process in which the contour (the profile) of the milling cutter is transferred to the workpiece. This is done for visual, haptic or design reasons.
Profile milling for visual or tactile reasons
- Wooden toys – Edges are rounded to reduce the risk of injury
- Handrails and stair railings – a profile that’s easy to grip and ergonomic
- Decorative milled profiles give the workpiece an individual look
Profile milling for design reasons
- Tongue and groove profile for floor coverings
- Gluing cutter to enlarge the gluing surface
- Counter profile for a framed door
- T-slot profile for fully extendable wooden drawers
Milling round bars on a milling table
Procedure: Step-by-step guide to profile milling
Step 1: Choose the right machine
Manual router: You guide the routing tool over the workpiece. This offers a lot of flexibility.
Handheld router for portable use
Router table: A stationary platform with a built-in milling motor. You move the workpiece over the stationary machine. This means high stability, a clear view of the tool and therefore precise results. A table extension can be useful for large parts.
The RUWI Classic Performance and Premium milling tables
Check it out in our online store now: Looking for a high-quality router table? You'll find a variety of models to suit your needs in the RUWI online store.
Step 2: Tool selection and machine set-up
Choose the right milling tool for your project. Pay attention to the collet size, tool diameter, and maximum permissible speed. A router bit with a self-aligning ball bearing is suitable for curved parts. For linear routing or if you want to route the profile into the surface, you can work at the router table with a guide rail or use a hand router with a guide rail.
Mount the tool securely up to the marking in the collet chuck. Make sure that the milling depth, speed and direction of rotation are correct before you start.
Selection of profile cutters for various applications
Important: Always follow the manufacturer's instructions for your machines and tools.
Step 3: Occupational safety
- Workpiece clamping: An unsecured workpiece can get caught and cause injury. Make sure to clamp your workpiece securely.
- Hearing protection: Protect your hearing from loud noises.
- Eye protection: Wear safety goggles to protect against chips and dust.
- Dust mask: Prevents the inhalation of wood dust.
- Clothing and jewelry: Avoid loose-fitting clothing; do not wear jewelry.
For more information, visit the German Social Accident Insurance Institution for the Wood and Metal Industries under "Working with a Hand Router."
Milling with a hand-held router
Step 4: Milling
Secure the workpiece firmly and ideally connect a dust extractor to the machine. Hold the router with both hands. Whether by hand or on the router table: If possible, mill in the opposite direction to achieve the best result and avoid injuries. An even feed rate ensures a clean routing pattern.
Note: If the speed of the motor drops, you should first remove fewer chips. Only a few milling motors have control electronics that compensate for speed fluctuations.
Milling a curve with a router
Step 5: Check and readjust
It is best to carry out a test milling to check settings such as milling depth and speed. Readjust if necessary.
Step 6: Maintenance and care of the milling tool
Clean the tool after the work process. Blunt milling cutters should be sharpened or replaced in order to achieve perfect results in the long term.
Tips for improving the milling result
- Optimizing speed: Depending on the type of wood and the cutter diameter, a different speed may be required. Hardwoods often work best at lower speeds, while softwoods may require a higher speed. Using too high a speed with too slow a feed rate can cause scorching.
Speed controller on the RUWI motor
- Observe the maximum speed: The maximum speed specified on the milling cutter must never be exceeded.
- Test run: Use a scrap piece to test whether the milling depth and speed are correct.
Setting the cutter height
- Sharp tools: A blunt milling cutter can cause tears and burn marks. Keep your router bits sharp or replace them in good time.
Inspection of profile cutters
What machines are available for profile milling?
Depending on the material, the size of the workpiece, and whether it is a one-off or mass-production job, various machines may be suitable:
- Hand router: A mobile small machine, very versatile (DIY, woodworking, crafts).
Handheld router for versatile applications
- Milling table: Flexible and precise, with minimal setup times (for ambitious woodworkers, craftsmen, and industry).
RUWI Premium Milling Table for Precision Work
- Bench-top router: High-performance edge profiling with manual or mechanical feed (for ambitious woodworkers and craftsmen).
Bench-top router with mechanical feed
- CNC machine: Flexible profile milling with diamond profile cutters, on edges or on surfaces (crafts and industry).
CNC machine for profile milling with diamond cutters
What tools are available for profile milling?
- Rounding cutters in various sizes and radii
- Chamfer cutters in various designs
- Counter profile milling tools (set of two matching tools)
- Milling tools for tongue and groove
- Glue-jointing cutters and finger-jointing cutters
- Carnis cutter
- Quarter round cutter
- Chamfer cutter
Tip: Profile cutter sets are often cheaper than individually purchased profile milling tools. Compare offers from different manufacturers.
Which materials are suitable besides wood?
Although routers and profile milling tools were primarily developed for wood, plastics and certain easily machinable metals can also be processed. It is important to choose the right profile cutter and a suitable speed.
FAQ
What exactly is profile milling?
Profile milling involves using special profile cutters to mill a specific shape or contour into a piece of wood, for example a rounding, a chamfer or a more complex profile.
How do I choose the right profile cutter for my project?
This depends on your desired look, feel or function. Make sure that the milling cutter fits your machine and is suitable for the material to be processed.
What is the difference between a router and a router table?
A router is a portable machine that you guide over the workpiece - perfect for flexible applications or mobile construction site work. A router table, on the other hand, is stationary: The router motor is built in and you guide the workpiece over the stationary tool. This often allows you to achieve greater precision and safety.
How often should I sharpen my profile cutter?
This depends on your intensity of use and the material being processed. If you notice wear or a decline in cutting quality, it is time to sharpen or replace. Routers with reversible blades can be useful for heavy-duty use.
What do synchronization and counter-rotation mean when milling?
In forward milling, the cutter and workpiece move in the same direction; in reverse milling, they move in opposite directions. Reverse milling generally produces cleaner results and is safer because the tool is not “pulled into” the workpiece.
