What are copy rings? What are they for and how to use them?
These questions are asked not only by beginners, but sometimes also by craftsmen with experience working with milling tools. What is it?
A copying ring is a device that allows you to process a part with high precision using a template. The second name for the copy ring is copy sleeve. It is mainly used to repeat many of the same type of processing of parts, for example, inserting door fittings: card and hidden hinges, locks, latches and strike plates for them. The ring is attached to the instrument using screws or latches provided in the design.
A copying ring is not always supplied with the router, and if it is, it may not be the right size for your tasks. You can purchase copying rings of the required diameter from a milling tool manufacturer, a template tool manufacturer, or order it from a turner.
In addition to copy rings, cutters with bearings can be used to work with the template. The bearing can be located above the cutter and at its end. The disadvantage of such cutters is the inability to dive to a greater depth to process the part. The depth of processing is limited by the height of the end of the template located relative to the part.
For a high-quality result, you need to take into account several nuances. Select the required dimensions of the ring and cutter, since the dimensions of the milling directly depend on this. The difference between the size of the diameters of the ring and the cutter is laid down during the manufacture of the template. Select a router that has no backlash under lateral and longitudinal loads. The outer diameter of the ring must be centered relative to the diameter of the cutting part of the cutter.
I talk in more detail about copy rings and their use in my video on this topic. To view click here.
Source: yamasterwood.com
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Copy bushings for router
Installation should be done using two mounting bolts. They are mounted in the threaded holes on the base of the router that are available there. There is a separate class of bushings; they are height adjustable. They must be used where a tight fit of the sleeve itself to the template or rule is required over an extremely large area. They are fixed with a clamping screw or screwed in from the bottom of the plate. The manufacturer makes the diameters of the guide surface of the bushing different in size and does this in order to be able to work with cutters of different diameters, as well as create combinations of cutters with bushings. The length of the segment limited by the edge of the template and the cut line is determined by the difference in the diameters of the guide plane of the copy sleeve and the cylinder. When working with a template, you should take this parameter into account. The length of the segment from the sleeve to the cutter is approximately 3–4 mm. This is done in order to ensure the free exit of chips arising during the work process. To protect the workpiece, it is important that the flange and heads of the bushing fastening screws do not extend beyond the plane of the milling machine base. The bushing flange must be flat and fit tightly into the groove intended for it. Before installing the bushing, this groove must be cleared of chips and resin. The thickness of the template plays an important role in the work process. At the same time, it should be such a thickness that the sleeve does not rest against the workpiece. This is necessary so that the protrusion does not spoil the part. With its help, you can mill liners, recesses, and also cut out various decorative elements.
Copy ring for Fiolent router
The copy ring is a round plate with a protruding shoulder that slides around the template when working. In this way, the required trajectory of movement of the cutting element of the milling cutter is ensured. The ring is attached with screws to the base of the milling machine. During operation, the ring protects the template from the cutting effects of the cutter teeth. The copy ring is characterized by such properties as strength, reliability, durability, and wear resistance.
On the Russian market you can purchase these Fiolent products at a low price - about 10–20 USD. e. Fiolent products are budget-friendly and designed for the mass segment of consumers.
Delivery across Russia
Delivery to the regions is carried out through transport companies (hereinafter referred to as TC) at the expense of the client. The calculation of the cost of delivery, as well as the choice of shopping center is carried out by the buyer independently. Goods are shipped only to the TK terminal in Moscow several times a week. For delivery from Moscow to the destination city, the Buyer pays directly to the shipping company upon arrival of the goods at the terminal in the destination city.
We work with the following shopping centers:
- Energy (2 times a week)
- Business Lines (2 times a week)
- SDEK (3 times a week)
Delivery is made ONLY after advance payment of the invoice, for both individuals and legal entities. Attention: When sending through a transport company, additional packaging and courier delivery of the order to the transport company's terminal may be required. Packaging costs from 80 rubles and courier delivery costs from 250 rubles. These additional costs and their final cost will be indicated when issuing an invoice for payment of the order after it has been agreed upon!
Delivery is also carried out by Russian Post (at the expense of the client). But some products, for example tenon saws, are delivered exclusively by transport companies. Because There are restrictions on weight and dimensions for postal items.
Attention! We reserve the right to change the delivery method if it does not increase the cost of delivery for the client, but significantly improves the delivery conditions (for example: cheaper, or faster, or closer to the residential address).
Pickup is also possible at the address indicated on the website, but by prior agreement.
Features of the production of devices
Before making a template, it is necessary to know exactly the diameters of the cutting tool and fixture. The template should protrude outside the specified sample contour by a size equal to the difference in the radii of the sleeve and cutter. Its thickness is allowed from 2 mm to 10 mm. You can make a stencil using simple tools.
- Draw the outline of the groove on the sheet of the future template.
- Subtract the difference in the diameters of the sleeve and cutter.
- Draw a parallel line outside the contour to be cut, retreating the calculated size.
- Cut the stencil along the outer line.
Clean off burrs and sharp edges. Now it is enough to secure the template on the surface to be treated with clamps, and you can cut out the grooves.
Important!
The contact line of the sleeve with the end of the template is equal to the thickness of the sheet with which it is made. Contact voltages are small. This allows you to make devices from soft materials: plywood, plastic, plexiglass. When producing large batches of parts, it is more practical to make a stencil from steel.
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Find the product you need. Click on the Add to Cart . Please indicate the quantity. After this, the product will appear in your cart. Similarly, place all the necessary items in the cart. Then click on the trash icon in the top right corner. After this, you will find yourself on the page with the selected products. If you don’t need to change anything, then click the buy , fill in your contact information and click the Send at the bottom of the window. If you need to remove something from your cart, click on the cross at the beginning of the line with the desired product.
What is a copy sleeve used for?
It helps to confidently guide the cutting elements of the router along a complex trajectory, maintaining the distance between the cutter blade and the edge of the template. As a rule, it is used in conjunction with various templates and rules that should be followed along the edge of the part. The outer edges of this instrument necessarily extend beyond the sole of the instrument.
How to combine several of your orders into one?
Open the desired order. In the order control panel, click the “add to cart” button. Then click the “archive” button or the “cancel order” button - so that there is no confusion. That. you can transfer the contents of all your orders to the basket, and then opening the last order, add the entire contents of the basket to it, as described in the previous paragraph. If, in the process of combining several orders into one, you need to add something from the site catalog itself, then you can also add the necessary products to the cart or remove unnecessary items from the cart and then transfer the contents of the cart to the desired order. IMPORTANT!!! This operation is available for orders with the “preliminary” category. If the order category is different, then this operation is not available!
How to make it yourself?
The strength and wear resistance of the metal of the copy ring determines how long the device will last. Power tool manufacturers make their bushings from tool steel. To connect the ring and flange, special welding equipment is used.
At home, you can make less durable, but cheaper devices for the router. To do this you will need a benchtop lathe.
- From a sheet of duralumin or steel, cut a circle with a diameter equal to the hole in the base of the router. Protrusions with holes are left on the outside for attaching the device to the supporting plane of the router.
- Select a pipe with an outer diameter 2–4 mm larger than required.
- Grind the outside of the future ring to size.
- Make a sample from the end. It should fit snugly into the flange hole.
- Remove excess metal from inside.
- Sand the ring with sandpaper and oil. Cut off.
Only a highly qualified specialist can weld together parts of such thickness. For amateurs, it is enough to place the flange on the glue and rivet the thin end of the ring.
Exercise
It is necessary to attach flush hinges measuring 30 x 71 mm for the folding table. We will use a 12 mm groove cutter and a copying ring with a diameter of 16 mm. After installation, the copy ring is shifted 5 mm under the base. The template is made from a board with a thickness of at least 6 mm. We saw off a piece of board large enough to provide support for the entire base. On one side, mark the place for the loops and add the distance between the copy ring and the cutter: 16 mm - 12 mm = 4 mm, which we divide in half. That is, you need to add 2 mm.
Source
Milling with copy ring
The copy ring (or bushing for a router) is a steel plate with a round hole in the center and a ring-shaped edge. It allows you to quickly create multiple copies of one part, which greatly facilitates the execution of labor-intensive small jobs, such as installing hinges for a door. In addition, the smooth base of the ring greatly facilitates the work of milling and ensures its accuracy.
One of the purposes of the copy ring is to protect the template from the action of the cutter, so its flange should be of such a size that it can easily move along the edge of the template without slowing down the movement of the cutter. To achieve the desired result, you must correctly calculate the distance between the ring and the cutter. It is calculated by the formula: subtract the diameter of the ring from the diameter of the cutter and divide by 2. If the templates contain numbers, then the calculated distance is added to them.
Calculation example for creating a template
The task is to prepare hinges measuring 30 mm by 71 mm to connect the parts of the folding table. Tools for work: cutter for grooves with a diameter of 12 mm, a copying sleeve with a diameter of 16 mm, when fastened, the ring moves relative to the base by 5 mm. A piece of board about 6 mm thick is suitable for the template. On the prepared base, mark the area where the loops are attached, from which 2 mm are counted (calculation using the formula: (16-12): 2 = 2 mm). Moreover, a correctly made template will be larger in size. In this way you can easily prepare signs with inscriptions and hinges for hanging doors.
The time spent on making the template will later pay off, since it will only take a few seconds to prepare the parts according to the template.
What is it and what is it for?
The copying sleeve is a ring that slides along the edge of the template. As a result, the cutter exactly follows the specified contour and does not intersect the marking lines. It is impossible to cut a workpiece smoothly by guiding the tool manually, much less make several completely identical parts.
The copy sleeve consists of a ring and a flange. The axis of symmetry of the device coincides with the axis of rotation of the spindle. The flange is made according to the size of the hole in the supporting plane of the router, and is attached to it. When pressure is applied to the housing with the motor, the working part of the tool is lowered along the guides, perpendicular to the supporting sole.
The cutter ends up below the sole and cuts into the workpiece. The copying ring rests its side surface against the end of the template, preventing the tool from going beyond its boundaries. Using a stencil, you can cut out a design of any complexity onto a part. It is enough to go along the contour with a cutter, then clean the entire area of the understatement.
Milling and its features
Today, many people, when installing furniture, carrying out repairs, etc. need metal or wood processing. Milling is most often used for this purpose.
This is a process in which metal is cut. For this purpose it is necessary to use a rotating cutting tool.
Simultaneous feeding of the workpiece is carried out according to the linear principle. Removal of material from the workpiece is carried out using a cutter, onto which a copying ring is placed, to a certain depth.
When processing material, the work of the cutter can be carried out from the periphery or from the end. When the tool operates, the cutter rotates.
The copy ring rotates with it. The tool has peripheral and end cutting edges of the teeth, with the help of which milling is carried out. In this case, there is an increase in the cut thickness towards the center and a decrease in it upon contact between the cutter and the workpiece.
The copy ring is an integral part of milling equipment. With its help, templates are read, which greatly facilitates the process of working with a milling machine. Installation of this device on the router is carried out without the use of special tools, which allows anyone to easily perform this action.
In appearance, the copy ring resembles a round plate, which is characterized by the presence of a protruding collar. The rings are made of steel, which ensures long-term operation.
The copy ring is characterized by the presence of an internal and external diameter. The internal diameter of this device is a fairly important aspect, since this indicator is used to select it for a specific cutter.
With the help of copy rings, a milling machine not only produces blanks, but also rounds corners. To perform this action, it is necessary to use copying rings that match the cutter in diameter as closely as possible.
In order to make the procedure as simple as possible, you need to use a template. Quite often, an adjustable template is used.
With the help of copying rings, working with the milling machine is greatly simplified for the operator.
Despite the fact that these devices have relatively small dimensions and are almost invisible in a milling machine, they allow you to produce a variety of workpieces with maximum precision.
Guide rail
The guide rail, like the rip fence, ensures the linear movement of the router relative to the base surface during wood processing. Meanwhile, unlike a parallel stop, such a guide for a router can be located at any angle to the edge of the workpiece. Thus, the guide rail can provide the ability to accurately move the router during wood processing in almost any direction in the horizontal plane. A guide rail equipped with additional structural elements is also useful when milling holes located in wood at a certain pitch.
Fixation of the guide bar on the work table or workpiece is ensured by special clamps. If the basic configuration of the device does not include such clamps, ordinary clamps will be suitable for these purposes. Some models of guide bars can be equipped with a special adapter, which is often called a shoe. The adapter, connected to the base of the router via two rods, slides along the profile of the tire during processing and thus ensures the movement of the working head of the router in a given direction.
Making a groove with a router using a guide rail
A milling device such as a guide rail is best used in conjunction with routers whose support platform is equipped with height-adjustable legs. This is explained as follows. In cases where the supporting surfaces of the router and the tire are in different horizontal planes, which can happen when the device is too close to the wood workpiece being processed, the adjustable legs of the tool make it possible to eliminate such a discrepancy.
Guide devices for equipping a router, which, despite the simplicity of their design, will be highly efficient in use, can be made with your own hands without much difficulty. The simplest of such devices can be made from a long wooden block, which is secured to the workpiece using clamps. To make this device even more convenient, you can supplement it with side stops. If you place and fix a block simultaneously on two (or even more) pieces of wood, you can mill a groove on their surface in one pass.
Milling along a wooden plank fixed to a workpiece
The main disadvantage that distinguishes the device of the above-described design is that it is not easy to accurately fix the block relative to the line of the future cut. The guide devices of the two designs proposed below do not have such a disadvantage.
The first of these devices is a device made of interconnected boards and plywood sheets. To ensure alignment of this device with respect to the edge of the groove being made, the following conditions must be met: the distance from the edge of the stop to the edge of the plywood (base) must exactly correspond to the distance at which the tool used is located from the extreme point of the router base. The device of the proposed design is used if the tree is processed with cutters of the same diameter.
Device for making grooves with a router
For milling operations performed with tools of different diameters, it is advisable to use devices of a different design. The peculiarity of the latter is that when using them, the router comes into contact with the stop with the entire sole, and not just its middle part. The design of such a stop includes a folding board on hinges, which ensures the correct spatial position of the device in relation to the surface of the wood product being processed. The purpose of this board is to ensure that the stop is fixed in the required position. After this procedure is completed, the board folds back and thereby frees up space for the working head of the milling cutter.
Device with folding bar
When making such a device for a router with your own hands, you should keep in mind that the distance from the center of the tool used to the extreme point of the base of the router must correspond to the width of the folding board and the gap between the board and the stop, if it is provided in the design of the device. If in the manufacture of this device you focused only on the edge of the cutter and the edge of the groove that needs to be formed with its help, such a device can only be used with cutters of the same diameter.
Often, grooves in wood blanks have to be milled across the fibers of the material, which leads to the formation of scoring marks. The amount of scoring can be reduced by devices that, by pressing the fibers in the place where the cutter comes out, do not allow them to break off from the surface of the wood being processed. The design of one of these devices consists of two boards, which are connected to each other with screws at an angle of 90°. The width of the groove made in such a device must match the width of the recess created in the wood product, for which cutters of different diameters are used on different sides of the stop.
Another milling device, the design of which consists of two L-shaped elements, fixed to the wood product being processed with clamps, is required for milling open grooves and ensures a minimum amount of scoring during processing.
