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Hegner Blade Clamp Jig


Sycamore67

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I was looking at the German website for Hegner and all the things they make and how they make them.  There is a video on the home page and in the video they show the jigs for inserting the blade in the blade clamp.  I did a screen grab of it and it shows the one I have on the left and  a much better one on the right.  A recent thread showed what some have done to make this easier.  I really wish they would make this part available and I sent them an email to inquire about it.

1981442347_HegnerBladeclamp.thumb.jpg.98acadadd29f03949eda93011d751c37.jpg

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The one in your left hand looks like a much better design but I believe the blade slot should have a V shaped bottom it would seem that would work better for all blade sizes. Can you post a link to the the German site?   I for one would be interested to see what else their site contains.

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Also, Looks likes you screw the blade holder close to hold the blade in place.  I think I would make that a spring loaded thing that you could just pull back, insert the blade and release, pull back to release once the blade in clamped in the clamp.  Well I know what I mean......

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1 hour ago, Rockytime said:

I opened the address you have shown but on my cell phone. Was hard to navigate since my German is not up to speed. I could not find your screen grab. Since I made the little blade guide I am quite happy. The new one seems pretty nice though. 

Les, there is a video of the manufacturing plant and if you watch it,( I'm sure you can't listen to it unless you speak German,) at some point in the video they show the engineering and making of that piece. I'd grab a screen shot of it and email Wolfgang at Advanced Machinery and request info on it. I'm sure it's something that will become available as an add-on. That's how they keep making money. It looks like a great item and as suggested, if they were to add a tiny spring to that clamp bar, it would be much easier than screwing the clamp bar in. Too much screwing is not good.

 

Edited by octoolguy
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Thank you for the info. and modification ideas. I have been struggling to achieve a quick and easy method to accurately align a blade using the Hegner clamping jig and have come up with a solution which works for me. The modification I have come up with (based on ideas mentioned in this forum) is to use two small, right angled corner brackets (originally purchased as part of a mixed bag of brackets from Lidl in the UK). The left hand bracket is attached to the front of the original Hegner clamping jig via an M4 bolt after drilling and tapping. A spring washer was used with the securing nut to allow for a small degree of rotation so that I can accommodate different depths of blade by rotating the left bracket in an arc until the blade centres in the blade clamp slot. The bracket on the left had to be filed in order to fit under the table of the scroll saw. An identical corner bracket was used on the right hand side and as per Scrappile's suggestion, a nut and bolt incorporating a spring was used to clamp the two brackets together. The spring can be tensioned by adjusting the acting length of the bolt by tightening/loosening the nut. The new 'clamping jaws' are opened by pushing the head of the clamping bolt against the spring and bracket on the left, with the spring compression holding the blade in place between the jaws.

At first, I just had the left hand bracket and manually held the blade against the bracket side by squeezing the two between a finger and thumb. Adding the second spring loaded bracket works even better.

hegner-clamp-mod.jpg

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57 minutes ago, davidg said:

Thank you for the info. and modification ideas. I have been struggling to achieve a quick and easy method to accurately align a blade using the Hegner clamping jig and have come up with a solution which works for me. The modification I have come up with (based on ideas mentioned in this forum) is to use two small, right angled corner brackets (originally purchased as part of a mixed bag of brackets from Lidl in the UK). The left hand bracket is attached to the front of the original Hegner clamping jig via an M4 bolt after drilling and tapping. A spring washer was used with the securing nut to allow for a small degree of rotation so that I can accommodate different depths of blade by rotating the left bracket in an arc until the blade centres in the blade clamp slot. The bracket on the left had to be filed in order to fit under the table of the scroll saw. An identical corner bracket was used on the right hand side and as per Scrappile's suggestion, a nut and bolt incorporating a spring was used to clamp the two brackets together. The spring can be tensioned by adjusting the acting length of the bolt by tightening/loosening the nut. The new 'clamping jaws' are opened by pushing the head of the clamping bolt against the spring and bracket on the left, with the spring compression holding the blade in place between the jaws.

At first, I just had the left hand bracket and manually held the blade against the bracket side by squeezing the two between a finger and thumb. Adding the second spring loaded bracket works even better.

hegner-clamp-mod.jpg

That is clever!

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