Last Updated on August 8, 2020 by Daniel Cooper
Learn How to choose the right wood cutting tool: Before you start choosing a woodcutting tool, you need to know exactly what equipment and what product will be produced, and only after that you should choose a tool.
After the first two tasks have been solved, it is time to choose a tool. And the first question that arises from the buyer – what tool is better to equip their machines?
As a result, they equip lines worth hundreds of thousands of dollars with tools of inadequate quality, which is why they cannot produce classy, high-quality products. Thus, having saved an insignificant amount of money (in relation to the cost of the entire line), when starting up the equipment, they find out that the output is a complete waste.
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How to Choose the Right Wood Cutting Tool
This is not permissible in the production of such products as windows, parquet floors, doors, or even “euro lining,” processed at a feed rate of over 80 m / min. In these cases, a special tool is ordered, the production of which takes on average 3 to 4 working weeks, plus delivery. All in all, a lot of time and money is spent on the correct tool conversion.
Every self-respecting supplier of equipment or tools must always provide the customer with a clear specification, which indicates the tool’s geometry with the number of teeth and material of cutting parts, its manufacturer, and the location of the tool in the machine. A package of drawings is always issued for complex tool systems.
If you are engaged in the production of molded products – euro lining, floorboards, platbands, plinths, etc. Then, it is more profitable to buy two sets of sharpened tools to organize uninterrupted production. While one set is involved in work, the other is sharpened.
Firstly, in order to produce quality products, it is necessary to maintain high accuracy, which can only be provided by tools with replaceable knives.
Secondly, when a tool with brazed teeth is resharpened, the outer diameter changes, which is very inconvenient for operators of CNC machines. After each sharpening, they have to reprogram the equipment, which significantly increases the changeover time.
Keys to Choosing the Right Wood Cutting Tool
The second favorite question is, how many linear meters can the tool work between regrindings? No specialist can answer this question unequivocally. Tool life is highly individual for each production. This parameter is made up of the following values:
1. Processed material
Each material is machined with a tool with cutting parts made of different steels or alloys. For example, pine is processed with high-speed steel HSS and MDF and chipboard with carbide or diamond blades.
2. The quality of the processed material
The number of knots in the workpiece significantly affects the tool life. The fact is that the density of knots and the wood itself is different. When a knife hits a knot, a sharp blow occurs, which has a detrimental effect on the instrument.
3. Wood storage
Wood is often stored in open areas, where dust and sand settle on the workpieces. All this then goes to the machine and, of course, to the tool.
4. Correct execution of the instrument
A good tool is made in accordance with the fifth grade of accuracy. Features large additional chip grooves for even heat distribution and resin removal from the cutting area. Important: you can always find traces of balancing on the body of a quality cutter.
5. Operating conditions
It is necessary to pay attention to the operating conditions of the tool. First of all, the number of revolutions on the machine should not exceed the maximum permissible value on the tool. Please note: each cutter is marked with the number of revolutions Nmax. The feed rate of the workpiece in the machine must correspond to the tool’s number of teeth.
What Requirements Should It Meet
It is very important how accurately and often, the tool is sharpened and cleaned. If we compare all these factors, then approximately you can indicate how many running meters the tool can process.
The third question that arises when purchasing a tool – what requirements should it meet? First of all, the tool must ensure the quality of the processed surface. And also be:
- Economically beneficial.
Finally, the fourth question that must necessarily arise: how much does a good and high-quality tool cost? In order to answer this question, we will give a small example.
Your business is the production of wooden windows. Have you noticed increased competition lately?
You begin to pay great attention to the quality of products and calculate each square meter’s cost. We revised the technology, increased productivity, and – bought a couple of new machines responsible for profiling and roughing of blanks.
And for sure, you equipped the machines with tools that met all the tasks. Then you started counting how much each tool sharpened costs, durability between regrindings, and the downtime of machines due to the tool’s fault. Usually, each buyer of equipment has several options for choosing a machine, depending on where he wants to use it and in what volumes he wants to receive finished products.
There are two priority groups of machines: with a welded, as well as with a cast bed. A welded bed is cheaper than a cast bed. It will be the best choice when the customer intends to profile small-sized workpieces if the production volumes are small enough. The parameters or dimensions of the workpiece are small, for example, when processing skirting boards, platbands, lining.
Four-sided machines can be used in a wide variety of woodworking industries. Shell-mounted woodcutters are actively used for flat, and profile processing of workpieces from wood and wood materials and are a housing with a landing hole and cutting teeth.
As a result, it turns out to be cheaper to buy once a high-quality, PROFITABLE tool than to constantly spend time and money looking for less effective analogs.
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