Use the jigsaw guide roller with your own hands

How to make a laser jigsaw guide with your own hands

The laser ruler consists of several elements:

The process of making the device yourself consists of several steps. For example:

�� PORTABLE jigsaw JIG for perfect vertical cuts in wood

  • Measure the distance from the edge of the board to the tool blade. On average it is equal to 4 cm.
  • Secure the block to the board surface. Self-tapping screws or nails can be used for this. It is recommended to pay attention to the fact that it is necessary to place the bar at a distance of not less than 5 cm from the edge of the board.
  • Place the edge of the jigsaw base up to the stop, sawing through the entire length of the board in the process. Thanks to this, the parameters of the fixture will be fully consistent with the dimensions of an electric jigsaw.
  • Attach the laser transmitter with a transparent LED on a prefabricated base. Solder the ruler perpendicular to the base. This makes it easy to attach the guide rail to the base of the jigsaw.
  • Check that the laser line is straight. To do this, connect the transmitter from time to time to the power source.
  • Connect the guide to the batteries which will act as the power source. To do this, one wire is soldered directly and the other is led through the switch button. Experienced craftsmen recommend connecting the off button of the device with a 5 ohm resistor, which helps lower the voltage. This will increase the life of the guide several times.
  • Attach the device to the base of the jigsaw. For this purpose you can use scotch tape, epoxy. It is not excluded also the possibility of mounting directly in the case. This will be possible if space is available.
  • Secure the power supply (batteries) to the side of the case with tape or self-tapping screws and a thin plate of plastic or metal.

To make the device with your own hands will need to first prepare the following tools and materials:

jigsaw, guide, roller, your
  • electric jigsaw;
  • wooden bar (30 cm);
  • board (30 cm);
  • self-tapping screws (nails);
  • tape measure;
  • laser beam, which modern bicycle models can be equipped with;
  • LED;
  • AA batteries (2 pcs.);
  • button;
  • resistor (5 ohm);
  • soldering iron;
  • pliers;
  • scissors.

Features of an electric jigsaw

Electric jigsaw is a type of reciprocating saw with a cutting element (blade) in which the rotational motion of the electric motor is converted into translational motion of the saw in the form of oscillatory movements with a frequency of up to 50 cycles per second. Such a jigsaw provides for making cuts inside a flat sheet in any direction, in t.ч. with a swivel arc with a diameter of at least 3 cm. It can be used to cut many materials: chipboard, wood (up to 70 mm thick), metal sheet (steel. up to 3 mm, copper, aluminum. up to 20 mm), tile, plastic, natural and artificial stone.

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Material is sawed with upward movement of the file. The file is also equipped with a pendulum mechanism which oscillates laterally. This increases the quality of straight lines when sawing. Variable file speed control, important when cutting in different materials.

So, when sawing in wood the maximum high speed can be set; when working with plastic or aluminum the medium speed range should be used; for steel and tile the speed should be reduced to the minimum. Special mechanism allows a cut when inserting the saw at an angle.

The saw blade is fixed in the jigsaw with its shank where the slot is made (cross shape is the best option). the shank is fastened in the block with two screws. The design of the clamping blocks (chucks) can be different in different jigsaws. Saw blades themselves have different tooth shapes for different materials.

BOTTOM ROLLING. SAWING WITHOUT PROBLEMS.

I would like to focus on the main problem of the LOBZIK. saw blade REMOVAL. This is an unavoidable evil for all SOBZIKES. represents a bending of blade away from kerf line. The thicker the material, the greater the saw’s retraction. One way to combat this problem is to install a BACKING ROLLER. Most. of household jigsaws the BACKING ROLL does not fulfill its function to the end. By virtue of its location. high above the BASE. the ROLL does not effectively resist sawtooth runout. It has a significant backlash, which negatively affects the resistance of the LOBZIK to the saw’s deflection. Consequently, the area of application of such models is sawing not too thick material with low requirements for kerf quality. cheap scissors have a small roller diameter, a wide and shallow groove on the roller. The more expensive and high-quality tool has a larger diameter roller, has a deep groove width of 1.4mm.

it should be noted that even a well assembled BOBZIKO is able to swivel. No wonder because the LOBZIK is designed for a single operation. sawing with a curve. If the roller mounting is rigid with minimum backlash, the tool will not fail in operation. If it is not securely fastened, straight sawing is not possible. Ideally, the roller and fork on which the roller is mounted should be free of play. Some models of the Saws are equipped with a slightly different system to prevent the saw from moving away. It consists of two hard-alloy “knuckles” that are screwed to the BASE and prevent the saw from bending. This system requires regular adjustments for each type of saw, but at the same time allows to fight lateral movement more effectively than in LOBZIKA with a supporting roller. Of course this design has its disadvantages. the setting is more labor-intensive than for LOBZIKS with a supporting roller. The procedure itself is not difficult, but it takes time. Another disadvantage. flat sawing at an angle is problematic: the base plate is designed in such a way that when the plate rotates, the “knuckles” cannot support the saw. And although the soleplate is pivoting, sawing at an angle is done without support for the saw blade. But LOBZIKS with support roller are free of these disadvantages. Although they are not as accurate, they are more convenient for tool changes and don’t “care” about TILTING OF THE SUSPENSION.

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To hold the blade more securely in place, Bosch has installed additional clamps on the GST135CE and GST135BCE. They are set under the supporting roller and if necessary act as additional holders of the saw blade, which allows to make cuts in the wood up to 135 mm thick., sawblade deflection is practically negligible.

PENDULUM MODE. A few words should be said about the mode with additional longitudinal blade oscillation or MAYATNIK. MACHINE MOTION is a special sawing motion where it undercuts the material as if from below. This feature significantly increases cutting speed. Almost all LEADSWATCH saws today are equipped with the FLASHING BUTTONY MODE. Exceptions may be the very basic BLACK DECKER and Makita models. Usually there are 3 or 4 MACHINE settings, more rarely 2 or 5. Each successive mode generates more vibrations than the preceding one. It really does not matter how many FLASHING MODE positions the LOBZIK has. Most importantly, it makes the work of the LOBZIKA very easy.

The main thing to remember is that the MAYATNIK mode is mainly used for quick sawing when the quality of the cut is not of prime importance, e.g. rough cut of boards, facing of large quantities of boards. Other materials are cut when BLACK DECKER MODE is OFF. Curvilinear sawing is also done without using the MACHINE. the sawing speed is higher than usual and it would be very difficult to maintain the required dimensions.

SAW BLADE FASTENING. One of the important details to pay attention to is the way the saw blade is fastened. There are 2 types of attachment. CLICK AND LOCK. Similar to the DRILL. the first one, as its name suggests, does not require an additional tool for fastening the saw blade. This type of mount saves time when changing saw blades, thereby increasing productivity. But it should be noted that the BLACK CLAMP is important for professional saws. The domestic ones are less reliable. The second type of attachment uses an Allen wrench to tighten the fastening screws. We can divide the saw blade clamping into two types: the first type is the clamping by two frontal bolts, the second type is the clamping by a side screw. The first type (characterized by simplicity) has been common on LOBZIKA for quite some time, but there are disadvantages when using it. First of all, it does not allow you to quickly change the saw, and if the bolts are tightened unevenly, it is possible to skew. If this happens, the operation must be repeated, which, however, does not guarantee that the saw can be secured on the second or third time. The system with a side bolt is more reliable, but does not allow you to change the jigsaw as quickly as with the keyless system.

Testing samodelka to the electric jigsaw for a perfectly smooth saw

To avoid unnecessary words, let’s look at examples of work done with the bed.

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Guides for jigsaws: features of the support roller, guide rail and ruler

Jigsaws are indispensable tools in the home. The nice thing is that there is a huge selection of models of this product. There are manual, electric handheld and stationary tools whose purpose is to cut curvilinearly a variety of material from particle board to metal.

This is achieved by various elements included in the design of modern electric jigsaws. Let’s take a look at some of the jigsaw jigsaw attachments, called guides.

Features of jigsaw guides

The jigsaw is an indispensable tool at home. The nice thing is that there is a huge selection of models of this product. Manual, electric handheld and stationary tools are available for making curved cuts in various materials from chipboard to metal. This is achieved by the various elements included in the design of modern electric jigsaws. Let’s take a look at some of the jigsaw accessories called jigsaw guides.

Design and principle of operation

Let us have a detailed look at the construction of the jigsaw

Jigsaw structure

  • Power cord.
  • Cord terminals.
  • Trigger stop.
  • The trigger.
  • Speed regulator.
  • Eccentric hinge.
  • Cooling fan.
  • Gear.
  • Pendulum action regulator.
  • Pendulum mechanism.
  • Jigsaw.
  • Safety stop.
  • Saw blade support roller.
  • Air duct.
  • Base plate.
  • Electric motor.
  • Dust extraction.
  • Base plate adjuster.

In simple jigsaws, the jigsaw only moves up and down. And with a pendulum mechanism also forwards and backwards. This tool cuts faster. How the vertical movement is formed? The motor transmits its rotation to the gearwheel. An eccentric pivot is connected to it and generates an up-and-down movement. The base plate presses and holds the tool on the work surface and eliminates jerky hands. Sawdust is blown out by the cooling fan and discharged through a special spigot.

Chisel clamping repair

Not every power tool manufacturer uses quality materials, which can lead to a one-shot service life. The jigsaw blade clamping is also subject to frequent failure, particularly due to the pressure exerted on the tool. Below we outline the course of action to fix a broken pad mount.

the jigsaw fixture can become deformed during long cuts, i.e.к. there is a serious load on the saw’s fastening node. The breakage can be easy to fix, the saw. slightly deformed or not repairable at all.

The easiest way to restore the electric jigsaw is to buy and install a new one of the same. This part can be purchased at markets and construction stores. Of course, this does not mean that the new fixture will be better, but the main thing is that the tool can work.

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