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  • October 27, 2022 at five:11 pm #994520

    I have a studio size easel that I have had for about ten years. For some reason it began slipping downwards, and then that I had to employ the handle of a pigment brush to hold the upper support in identify. At present the bottom support has begun to slip. No matter how much I tighten the knob, it still slips down. What can I practice to forestall this?

    October 28, 2022 at three:06 am #1259412

    A thread that is dry or rusty will not put every bit much pressure on the support equally a thread in practiced guild.
    Take the knob off and the commodities out and clean the thread, make sure the knob can travel along the thread easily, put a bit of grease on the thread. A larger washer nether the knob will as well help.
    Of cause the thread has to be long plenty for the knob to grip, I take seen where this is not so, cheque it out likewise.

    :wave: Dave.

    "What peaches and what penumbras! Whole families shopping at dark! Aisles total of husbands! Wives in the avocados, babies in the tomatoes!—and you, Garcia Lorca, what were you doing down by the watermelons?"
    — Allen Ginsberg
    Are yous ready for a Journey?
    PS Critiques ever welcome but no plaudits or emoting, please don't press the like push.

    October 28, 2022 at ane:42 pm #1259416

    Thank y'all for this information. I had idea nearly removing the knob, merely didn't really know what to do once it was removed.

    Oct 29, 2022 at 3:18 am #1259413

    Hope you get it sorted, shooting a bit blind as I can't encounter your easel, as you probably know wood swells and shrinks with changes of moisture in the air.
    Equally mentioned before if the thread on the bolt is a bit short there might not be plenty thread for the knob to tighten onto the support when the wood shrinks. If this is the case an actress washer or two will help. If yous use what they telephone call penny washers (larger diameter than standard) they will spread the load out on the support and besides aid with the grip.

    :wave: Dave.

    "What peaches and what penumbras! Whole families shopping at dark! Aisles full of husbands! Wives in the avocados, babies in the tomatoes!—and you lot, Garcia Lorca, what were y'all doing down by the watermelons?"
    — Allen Ginsberg
    Are you lot ready for a Journeying?
    PS Critiques ever welcome simply no plaudits or emoting, please don't press the like push.

    Oct 30, 2022 at 9:xl am #1259421

    Another possible crusade is article of clothing that has burnished the wood where the supports travel and rub against the mast. Wood becomes very slick when burnished so that the two parts will grip each other with less adhesion. If the easel has been used often over a menses of x years there is a very good take a chance this is, at least, part of the problem.

    The Gear up

      [*]When the knobs are removed to cheque bolt length and thread condition remove and inspect the supports and the mast where the supports run across it.
      [*]If the wood is shiny and feels slick on one or both mating surfaces very lightly roughen both surfaces with 200 grit sandpaper. Using a finer grit volition only hasten the return of the problem.
      [*]After sanding rub the mating surfaces very lightly with a candle. Less is better than more than. Just plenty to cover the newly exposed wood. This will aid the parts motility smoothly against each other without slipping when the concur-downs are tightened. Information technology will also aid foreclose the woods from arresting moisture.
      [*]Reassemble and test the supports. If they all the same slip under load sand or scrape off a scrap of the excess candle wax.

    Some other Possibility

    And withal some other cause could be over-tightening the knobs. This will, over time, distort the backs of the supports and the mast creating gaps that no amount of tightening will overcome and the mast and backs of the supports will have to be flattened past sanding or planning. The knobs should exist tightened just plenty to back up the ground (canvas, panel, etc.) and prevent it from shifting while painting.

    Exist careful using washers with an already short bolt – it will merely increase the required length of the bolt and the knobs may not thread back on. Using washers for spacing are ordinarily reserved for bolts that are too long, not as well short.

    Finally, if the threads are found to be rusty or corroded make clean them with a wire brush and and then requite the threads a very light coat of candle wax or bar soap in place of grease. Greases are difficult to clean off and soap isn't. Nonetheless, if at that place is no rust or corrosion and the knobs thread on and off the bolts without any undue bug, no lubricant is necessary.

    Good luck.

    R/Mike

    Practice religion freely and freedom religiously.

    October 31, 2022 at 1:55 pm #1259417

    I got the problem solved! I removed the knobs on both the tiptop and bottom supports, cleaned the threads and applied petroleum jelly, wiping away the backlog. So I replaced both the supports with some help, and everything is working and staying where it is suppose to. I had to call back "righty tighty, lefty loosey". Thanks for all your help, guys.fifty

    Nov 10, 2022 at 12:33 pm #1259422

    I got the problem solved! I removed the knobs on both the top and bottom supports, cleaned the threads and practical petroleum jelly, wiping abroad the excess. Then I replaced both the supports with some assist, and everything is working and staying where it is suppose to. I had to remember "righty tighty, lefty loosey". Thank you for all your help, guys.l

    Proficient job. Recollect to remove the knobs every couple weeks to make clean off the threads again considering the jelly will attract dust and the grit will build up relatively quickly. Something to retrieve about nuts and bolts: they are designed and manufactured to work without lubrication.

    Exercise religion freely and liberty religiously.

    November 11, 2022 at 1:29 am #1259418

    Well, its already slipping over again, so I need to do something else. Thanks for your input.

    Nov 12, 2022 at ii:07 am #1259414

    Lamentable to hear that it's still playing up, tin can you tell us what easel you lot have and so we'll have improve thought of what might be wrong?
    Lubricating the bolt reduces friction and increased the corporeality of preload which is what yous demand to finish things slipping.
    But there must be something else stopping the preload being applied, we need to detect out what that is. I practise have an engineering background and I hope we can become this sorted.

    :wave: Dave.

    "What peaches and what penumbras! Whole families shopping at night! Aisles full of husbands! Wives in the avocados, babies in the tomatoes!—and you, Garcia Lorca, what were yous doing down by the watermelons?"
    — Allen Ginsberg
    Are you ready for a Journey?
    PS Critiques always welcome only no plaudits or emoting, delight don't press the like button.

    November xv, 2022 at 6:22 pm #1259419

    This is a Dick Blick studio easel. I checked the catalog and it is no longer listed, just a close example is the Blick by Jullian Convertible Easel, although mine does not take a rachet. I see that all the easels are at present unlike. And so here is what I will try: The knob on the front applies pressure to a metal bracket on the back. This metallic bracket in plow applies force per unit area to the wood upright. I come across that the upright has worn so that the metal but slides downwardly instead of holding it house. I am going to remove the knob and bracket, and place a piece of rubber cream between the metal and the woods upright. This should give it some grip and I hope it works. Thanks for all the input.

    November 16, 2022 at 3:fifty am #1259415

    When you have the bolt out check that there is plenty thread for the knob to tighten everything together. It's possible that the thread is short and the knob is coming upward against the terminate of the thread before it tightens on the forest. If this is the case an extra washer nether the knob will work.

    :wave: Dave.

    "What peaches and what penumbras! Whole families shopping at night! Aisles full of husbands! Wives in the avocados, babies in the tomatoes!—and you, Garcia Lorca, what were y'all doing down by the watermelons?"
    — Allen Ginsberg
    Are you prepare for a Journeying?
    PS Critiques e'er welcome just no plaudits or emoting, please don't press the like button.

    November 17, 2022 at 12:nineteen am #1259420

    November 17, 2022 at 7:01 am #1259423

    If I understand it correctly, the issue is that the woods has worn, with the effect that the knob bottoms out on the front while the end of the screw no longer presses against the plate hard enough to make the friction contact with the woods. If that's the case, a washer under the knob will reduce the accomplish of the screw farther (past the thickness of the washer).

    Rubber between the metal plate and the forest volition assist to ostend if it's an outcome with the length of the spiral, merely it volition probably wear quite quickly.

    To increase the achieve, you demand a longer screw or a thicker bit of metal. Another approach would exist to brand a round recess (a counterbore) at the front and then that the knob goes in a fleck further (ie, some of the plastic knob goes below the original surface of the wood). If it worked before and at present simply slips, it shouldn't need much increase in the reach of the spiral – no more than than one/ten″, and 1/16″ might be enough.

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