Height Gauge and Lock for Table Saw

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Project by woodoogolem posted 08-08-2014 05:13 PM 4151 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


10575 posts in 4495 days

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

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

View mmh's profile


3680 posts in 4569 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


1343 posts in 2560 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


5811 posts in 3139 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


345 posts in 4153 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?


PS I just looked around and found this:

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

-- Spence in Skokie, IL

View woodoogolem's profile


56 posts in 2275 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 Woodknack's profile


13471 posts in 3227 days

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

Nice problem solving.

-- Rick M,

View oldnovice's profile


7644 posts in 4215 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!

-- "It's fine in practise but it will never work in theory"

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