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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 2626 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

7982 posts in 2814 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

3650 posts in 2888 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

1111 posts in 879 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

5634 posts in 1458 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

300 posts in 2472 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

49 posts in 593 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.

6192 posts in 1546 days


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

Nice problem solving.

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

View oldnovice's profile

oldnovice

4930 posts in 2533 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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