Makita 7104L/2 240V Chain Mortiser

Product Information

As the motor rotates the spindle, a handle plunges the chisel into the wood. The drill bit removes most of the waste, making a circular hole. A clear template and instructions are provided for easy fitting to your bar - just 2 holes drilled using a small drill press and 2 bolts. The bar strength is not effected. Precision comes from taking your time and setting up the machine carefully. Remember the woodworker’s adage: Measure twice, cut once. How a mortiser works Benchtop mortiser What makes this tool so efficient is the chain that features sharp teeth to create clean, precise cuts at speeds up to 1000 feet per minute.

Horsepower: Motors are rated in either amps or horsepower. While direct comparisons aren’t very accurate unless you know the efficiency of the motor, we can assume that 5 amps (A) equals 1/2 horsepower (hp). It’s the most common size you’ll find on benchtop mortisers. They are 120-volt (V) single-phase mortisers, so you can run one from any standard household outlet. To use the attachment place the sharpened tynes onto the timber and engage full throttle - peak revs. Then simple plunge the guide bar slowly forward until the required depth is achieved. Return saw to idle and withdraw the bar from the timber. Reposition vertically or horizontally to achieve the desired mortice size and shape.

Chisel and Chain Mortisers

Floor-standing models invariably have a steel cabinet as the base, which gives proper support for a heavy machine and provides useful storage, too. These things can weigh several hundred pounds, so it’s a good idea to plan its position carefully, You won’t want to be moving it often! Mortisers come in several different types, but they all have the same purpose: to create holes in wood pieces for tenons to fit into. These “mortise and tenon” joints are popular because of the strength they provide to furniture pieces, and, thanks to mortisers like these, are relatively simple to create. Add to this the cutter chain, a wrench for set up, a sharpener holder, and oil to keep it running smoothly, and you have one high-quality chain mortiser. Although you can create mortises the old-fashioned way with a hammer and chisel, or with a drill press by making a series of round holes and then squaring them with a chisel, these dedicated mortisers are designed to give you square mortises with minimal chisel work needed. What to Consider The square sides of the chisel then remove the rest, so with one plunge motion you make a perfectly square hole.

Add to this the movable table, which allows you to place the material with precision, and you can create accurate cuts time and time again.A mortiser won’t work effectively when the bit and chisel are dull, so keep both parts sharpened. No need for a lot of tools, just a chainsaw file, a round and a flat slip stone, a little sandpaper, an abrasive pad, and some honing oil. Don’t expect a brand-new bit and chisel to be adequately sharp. Almost all I’ve seen needed extra attention out of the box. If, however, you have only a few small mortises to cut at home for a small project, a drill press equipped with a mortising bit will be a more suitable option and can work.

One common joinery method used in wood working is the mortise and tenon. A mortise is basically a hole in a piece of wood and the tenon is another piece of wood cut to tightly fit in that hole. The tenon is usually secured in place with either glue or a wooden pin or wedge. The type of mortise you’re going to be creating is something else to think about. If you’re just looking for an all-around mortiser for general joint use, one of the drill-press style options should be a great fit. These are designed with a fence to hold your workpiece in place, can accept a range of chisel and bit sizes, and tend to provide nice and accurate mortises.Guides allow you to move the workpiece horizontally, so you can make further cuts to get a rectangular hole of whatever size you need. What makes this device so handy is the long handle and smooth gear transmission that creates greater efficiency and speed when setting up and making the cuts you want.