N
Gossip Blast Daily

Are jointers dangerous

Author

Michael King

Updated on April 30, 2026

Second to circular saws, hand-feed jointers or surface planers are the most dangerous woodworking machines. Most injuries are caused by the hands and fingers of the operator coming in contact with the blades of the machine.

Are jointers safe?

Jointers and planers can be dangerous if not used properly. Read the owner’s manual carefully. Make sure you understand instructions before attempting to use any tool or machine. … Refer to Woodworking Machines – General Safety Tips for general safety precautions.

What are 5 safety rules for a jointer?

Safety Rules Hearing protection advised. Always run dust collection with jointer. Keep hands 4” away from cutter head. Never pass hands over cutter head.

What should you not do with a jointer?

Never make adjustments when the jointer is running. Don’t try “freehand” manipulations that do not require use of the fence. Avoid heavy cuts that might jam the cutterhead. Take off no more than 1⁄ 16 ” per pass on softwoods and even less on hardwood stock.

Where is the danger zone on a jointer?

Danger Zone-The jointer danger zone is 3″ out from the cutterhead and knives and 8′ directly in front of the cutterhead. When you use the jointer, stand to the left of the machine (opposite the drive shaft) and keep your hands away from the knives. Always wear proper eye and ear protection.

How much should a jointer take off?

Again, the maximum cut will depend on the width and density of the workpiece, but I generally don’t remove more than about 1⁄8″ at a time. For pieces that aren’t much longer than your infeed table, hook your heeled pushblock onto the trailing end of the board.

Is it deeper to not take cuts?

This will help prevent fingers from getting into the knives. 7. Do not use the jointer for cuts deeper than 1/16 inch. An injury could result if the material was thrown from the machine due to a deeper cut.

Who uses a jointer?

Woodworking jointers are used to make one face of a board, and one adjacent edge, perfectly flat and square to each other. Jointers are also great for flattening out cupped boards, removing twist, and preparing board edges to be glued together.

Why would I need a jointer?

A jointer, properly set up and used, will allow you to create a dead straight edge on a piece of lumber … which makes for a good glue joint or a straightedge to rip from on your table saw. An adjustable fence on the jointer will allow you to chamfer an edge or create a bevel on a piece of stock.

What causes kickback on a jointer?

A board or piece of one, resting on top of the cutter head will experience a force moving it to the operator’s right. If that force is unopposed by the operator adequately pressing the board down and to the left, the board may be thrown to the right. This motion is known as “kickback”.

Article first time published on

Are table saws safe?

Compared to other home power tools (including nail guns, chain saws, and circular saws), table saws are the most dangerous home power tool and can deliver catastrophic injuries. Table saw accidents account for somewhere in the neighborhood of 67,000 recorded injuries every year.

Can you use a jointer as a planer?

The jointer is used to flatten one face and square up one edge and the planer is then used to make the second face flat and parallel to the first. … If you run the other rough face on the jointer, you can certainly make it flat but you won’t make it parallel to the first face.

What type of Guard should be used on a jointer?

Each one of these machines has an ideal guard match. For example, jointers should be fitted with self-adjusting guards.

When cutting short pieces of wood they should be held?

Small pieces should be held in a clamp or jig. 3.

When not in use a bench vise should be left with?

46. Bench vises not in use should be left loose with the handle in a vertical orientation. This will prevent injury to those walking past the workbench.

Does a jointer straighten boards?

Wood Jointer—The Easy Way to Make Square and Flat Board Surfaces. … A jointer quickly smooths and flattens the edge of a board while cutting it square to an adjacent edge. Once this is done, the board is ready to lie flat against a table saw fence or table for a straight cut.

How thick should each pass be on a jointer?

Cuts should be no deeper than 1/8 inch per pass. To use the jointer to smooth edges, feed the wood into the tool with the rough edge facing down.

How do you stop snipers on a jointer?

  1. Ensure that the knives are set properly. Check carefully with a good straight edge, and be sure that the knives are set in parallel with the table. …
  2. Sneak up on the adjustment. …
  3. Run several tests, then lock it in tight.

Whats a wood jointer do?

The jointer derives its name from its primary function of producing flat edges on boards prior to joining them edge-to-edge to produce wider boards. The use of this term probably arises from the name of a type of hand plane, the jointer plane, which is also used primarily for this purpose.

Can you plane wood with a jointer?

A jointer creates a flat surface on wood, and yes, it can be used to correct bow and warp on one side of a board at a time. “A planer is a thicknesser. … In other words, you put a board into the planer to make it thinner after you have already established one flat side using the jointer (or a hand plane.)

How long should a jointer plane be?

Jointer planes are typically 20 to 24 inches (510 to 610 mm) long, and are the longest hand planes commonly used. Under the Stanley Bailey numbering system #7 and #8 planes are jointer planes.

Can you use a jointer on both sides?

No, you cannot. This will make the board square, but it will NOT ensure it doesn’t taper. With the jointer you can only make each corner square. You can’t make the opposing faces parallel with each other.

Who invented the jointer?

As covered in Early History of Jointers, the modern jointer was patented by Climer and Riley in 1866. Before that, many attempts were made to produce an effective machine to flatten the faces of boards. The earliest woodworking machines were sawmills that reduced a log to rough-sawn boards.

How do I choose a jointer?

Jointer Bed Length: The length of a jointer bed is another important consideration when buying a power jointer. The longer the bed (which is made up of an infeed table and an outfeed table) the more stability you’ll have when flattening and jointing a board. Somewhere in the range of 80-inches is a popular length.

What is the most common injury on the jointer?

Second to circular saws, hand-feed jointers or surface planers are the most dangerous woodworking machines. Most injuries are caused by the hands and fingers of the operator coming in contact with the blades of the machine.

Can kickback occur with a riving knife?

Blades with a narrow kerf relative to their body are more susceptible to grabbing and kickback. A riving knife has these advantages over a splitter: It does not need to be removed from the saw when cross-cutting or doing a blind (non-through) cut as it does not extend above the top of the saw blade.

How do you stop a kickback?

  1. Require that sealed bids be opened in the presence of multiple people.
  2. Create a gratuities policy.
  3. Audit purchases over a certain dollar amount.

How does a SawStop know it's your finger?

SawStop Saws Detect Contact With Skin. The blade carries a small electrical signal, which the safety system continually monitors. When skin contacts the blade, the signal changes because the human body is conductive. The change to the signal activates the safety system.

What is the safest saw?

TYPE OF SAW: Jigsaw Considered one of the safer power saws, the jigsaw features a large flat base called a “shoe,” which rests flat on the surface of the material you’re cutting and surrounds the blade and offers some protection.

Does SawStop ruin the blade?

Can I get a serious injury using a SawStop saw? In the vast majority of cases, coming in contact with the spinning blade will result in a minor cut. However, if your hand moves into the blade at very high speed, it is possible for you to receive a serious injury.

Will a planer fix warped boards?

In order to flatten a warped, twisted, or cupped board, a common approach is to first use a jointer to create one perfectly flat face. Then you run the board through a thickness planer with the flat face downward, and the planer makes the top face parallel to the bottom.