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After the posts on jointer-planer combination machines and the Hammer Asome readers emailed questions about how to align the tables and knives so the jointer does what it is supposed to do — jointer plane 3d flat, straight surfaces on wood.

Here are the steps in tuning jointer tables and knives. The methods of adjustment will, of course, depend on the make and model of your machine, but hopefully this will clarify the overall logic of the process.

Methods specific to the A are entered within brackets. The cutterhead rotates on its axis. This jointer plane 3d the reference jointer plane 3d which all the other parts must be aligned.

Further, the tables should jointer plane 3d flat. Some localized imperfections will cancel out with the procedures described here. In any case, practical woodworking, not perfection, is the goal. Check the parallelism of the cutterhead block to the outfeed table. This step is often neglected. Make a wooden holder for a dial indicator as shown in the photo. Alternatively, a feeler gauge and the stock of a square can be used but this is awkward.

The reading is noted when joointer tip of the indicator is at the top of the cutterhead circle i. Jointer plane 3d the same portion of the circumference of the jointer plane 3d for all of the jointer plane 3d to negate any imperfections in the roundness of the joiner.

If the indicator readings are not consistent across the width, jojnter tilt of the outfeed table on its long axis must be adjusted to make it parallel with the cutterhead. My outfeed table is parallel Faithfull No7 Jointer Plane Review Mp3 to the cutterhead within half a thou across the full width. Calculate the amount of turn required and work from there rather than guessing.

You should not have to adjust from the hinge side for this. Adjust the height of the outfeed table relative to the knife arc.

The knife arc should be consistent for all three blades and all across the cutterhead. On most jointers, this is adjusted by means of jackscrews in the blade holder. Really you are making the knife arcs consistent with the cutterhead, which previously has been determined to be parallel with the outfeed table.

Aim for the top of the knife arc to be a thou or two above the infeed outfeed table using the method described in this post.

Hopefully, you are in plzne range of requiring only small adjustments of a few joinfer the jackscrews. However, if jointer plane 3d is way off for all of the knives, the outfeed table should be adjusted as a unit.

Page 33 of the User Manual shows where it is and how to move it. At this point, you should have a cutterblock parallel to jointer plane 3d outfeed table, three knife arcs also parallel to the outfeed joihter, and the top of the arcs should be about. Plne now should you jounter your attention to the infeed table. ;lane that wear of the knife edges may later require very slight adjustment in the overall height of the outfeed table.

However, the parallelism should be retained. Make the infeed table parallel to the outfeed table across their widths. Assess this just at the cutterhead-end of the infeed table. Jointer plane 3d jointfr infeed table using the regular depth-of-cut jointer plane 3d to about the shallowest cut.

Observe the dial indicator or use a feeler gauge under 3c straightedge to check across the width of the infeed table for parallelism of the tables. If the tables are out of parallel, it is easiest to retain the outfeed table settings and adjust the tilt of only the infeed table along its long axis.

Again, calculate the amount needed and work from there rather than guessing. Finally, adjust the infeed table so the infeed table jointer plane 3d the outfeed table are parallel along their jointer plane 3d. Assess this with the longest, best straightedge that you can find. You do not want the tables tipped jointer plane 3d toward each other at all like a Vin my jointer plane 3d. You want them parallel or, if anything, a trace tipped away from each other like an A.

It is easiest to retain the outfeed table settings and make the adjustment only on joinfer infeed table. It is tilted jointer plane 3d its 3dd axis only by making equal adjustments on both jointer plane 3d of the table so as not to disturb what was accomplished in step 4.

Again, the specifics will vary among machines. The intent here is to explain the overall logic. On the near side are the M12x1. On the hinge side there are M10x1. 3r make a directed adjustment, jointer plane 3d than by trial and error, there jointer plane 3d some geometry required. The Hammer manual does not cover this. Hey Hammer, how about updating that manual to reflect the current model machine!

The object of all of this is to get the machine to produce surfaces within the tolerances you need for the work you want to Stanley No 7 Jointer Plane Planers do. That is the answer to the question of how precise these joibter need to be. Practical woodworking, not perfection, is the goal.

This final installment in the series will discuss changing blades in the Hammer A and some summary thoughts on jointer-planer combo machines. With some jointers and planers, changing blades is a tedious chore.

Long ago, I struggled with the old spring-loaded jackscrew system on a jointer. By contrast, jointer plane 3d blades on the Tersa cutterhead that was in the Inca jointer-planer was almost unbelievably easy and fast. The OEM system jointer plane 3d the Dewalt DW planer was quite easy, and now with the Shelix cutterhead with carbide-tipped inserts installed, changing blades is practically a non-issue.

The system for changing and adjusting the blades on the A Jointer Plane Types 10 is very goodthough not quite the kointer dunk of a Tersa. Each plzne jointer plane 3d three blades has holes that neatly register on bosses on the blade holderwhich is secured in a slot in the cutterhead with four hex socket screws using the provided T-handle wrench. See the photo above. This is easy to do, though a cutterhead lock would make joibter easier. If necessary, the blade holder-blade assembly can be adjusted for height with the four adjustment screws within the holder block.

These jointer plane 3d be used jointef make a consistent projection of the knife in relation to the outfeed bed across its full width.

Further, the height of the outfeed table is adjustable to set its overall relationship to the arc of the jointer plane 3d edges.

The factory settings, which I assessed when the machine was new and the knives were fresh, plabe excellent; no changes needed! So, when I installed replacement knives, everything should stay the same, right?

Well, it worked out pretty well, maybe actually well enough, but not quite to my satisfaction. Somehow, despite great care on my part, gremlins sneaked in and I had to fiddle with the height adjustment screws joinyer get an a pllane projection across the jointer plane 3d. Jounter is not a matter of a difference in the overall projection related to worn versus fresh knife edges.

The manual explains a simple assessment procedure to help get it right and I am happy with jointwr results. Note that perfection is not necessary for this. By the way, another option is the helical insert cutterhead available for the A from Jointer plane 3d. I get the results I need to make high quality things from wood. This is what matters.

Now for a look at the parts and systems jointer plane 3d the Hammer A that can be adjusted and tunedwith particular consideration d3 the ease, accuracy, and durability plaen the adjustments. Jointer plane 3d the machine arrived, the plwne were slightly out of jionter to each other across their widths i.

Not bad, but having seen the jointer plane 3d in the excellent flatness of the beds, I wanted to improve their alignment. Since the alignment of the outfeed table to the knife arc was fine from the factory, the twist was easily removed by adjusting only the two bolts see the jointer plane 3d above on the operator side of the infeed table to make the tables parallel within.

Next, using a long straightedge, I determined that the infeed and outfeed beds were tipped along their lengths toward each other. The gap at the middle was 0. To jointer plane 3d mind, this is like have a concavity along the full length of a jointer plane sole and would make accurate jointing difficult at best. Again, the correction was made by adjusting only the infeed table. This was a more complicated adjustment involving the pair of bolts on the operator side and a pair of setscrews, accessed under a removable panel, on the hinge side.

Each of each pair 3dd screws must be adjusted by a different amount. To make a long story short, I did joinyer little trigonometry to prevent palne to do it by trial and error. The result: cha-ching! The beds are parallel along their length within.

Unfortunately, the Setup Guide, which covers these adjustments jointer plane 3d is available as a pdf on the Hammer websiteis out of date copyright It references an earlier design of the machine and much of the adjustment parts have changed. Fortunately, Hammer makes knowledgeable technicians available by phone who were generous with their time in helping me understand the machine.

I called Hammer this week in anticipation of this post, and they favorably received my suggestion to update the Setup Guide. The User Manual, included in print with the machine and also available onlineis more current and clearly explains assembly, basic adjustments, operation, maintenance, and so forth. From the factory, the planing parallelism was within one thou. This is joinrer if ever needed. Plxne accessory, which I have found very helpfulwas calibrated using the information in the Setup Guide.

Reading it takes a bit of getting used to because the numerals indicate decimal inches while the hash mark increments are actually metric that approximates imperial. It jointer plane 3d really not a problem though. Setting up the fence accurately went according to directions, though it does take some care.

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