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Height Gauge and Lock for Table Saw

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Project by woodoogolem posted 08-08-2014 05:13 PM 1932 views 2 times favorited 8 comments Add to Favorites Watch

Recently I was puzzeling over some bad cuts on my table saw. The blade height seemed to decrease slowly over time at low heights, something that I could not explain at that time. Some time later I observed the height crank slowly rotating backwards – obviously there is an area where the motor weight can pull the blade mechanism down when there is also the right amount of vibration.

Additionally my machine lacks a height gauge of any sort. So I made a disc out of plexiglass with marks for every full millimeter as well as every 0.2mm. The marks are made on the backside with a sharp grinded nail. Then I colored the resulting grooves with pen markers and screwed the disc to the crank.

The disc can be locked with an eccentric lever, a mechanism you probably know from certain types of clamps





8 comments so far

View Loren's profile

Loren

7831 posts in 2402 days


#1 posted 08-08-2014 05:26 PM

Good solution. I’ve seen that depth creep happen.

-- http://lawoodworking.com

View mmh's profile

mmh

3485 posts in 2476 days


#2 posted 08-08-2014 10:33 PM

Nice fix!

-- "They who dream by day are cognizant of many things which escape those who dream only by night." ~ Edgar Allan Poe

View kaerlighedsbamsen's profile

kaerlighedsbamsen

614 posts in 467 days


#3 posted 08-09-2014 10:34 AM

Thats super clever. Might copy that idear..
Having worked in metal machining i always wondered why wood machines generaly dont have scales on the handles of parts that moves linear.
Thanks for sharing!

-- "Do or Do not. There is no try." - Yoda

View HillbillyShooter's profile

HillbillyShooter

4905 posts in 1046 days


#4 posted 08-09-2014 05:02 PM

Innovative solution—nice job!

-- John C. -- "Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth." George Washington

View SawTooth1953's profile

SawTooth1953

281 posts in 2060 days


#5 posted 08-10-2014 11:57 PM

Good improvement for your saw.

You didn’t mention the manufacturer’s height lock. Was it just pathetically inadequate?

Spence

PS I just looked around and found this: http://lumberjocks.com/topics/59269

You are not alone regarding a problem with a Kity tablesaw’s height locking.

-- Spence in Skokie, IL

View woodoogolem's profile

woodoogolem

44 posts in 181 days


#6 posted 08-11-2014 10:56 AM



You didn’t mention the manufacturer’s height lock. Was it just pathetically inadequate?

The angle lock is fine, it is the lever above the crank. Not perfect, but “pathetically inadequte” is just too much :-) I never use it anyway apart from locking to 90°.

View Rick M.'s profile

Rick M.

4518 posts in 1134 days


#7 posted 08-12-2014 03:58 AM

Nice problem solving.

-- http://thewoodknack.blogspot.com/

View oldnovice's profile

oldnovice

3872 posts in 2122 days


#8 posted 08-12-2014 05:04 PM

I had a similar issue with my old Craftsman router but since it only accepted 1/4” bits I rarely use it and when I do, only for edge cuts where depth is not and issue.

Your solution is elegant!

-- "I never met a board I didn't like!"

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