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Hi. I'm going to tell you about Cregjig today.

This is Kregjig K4.

Made by Creg Company

It was released a long time ago.

Why do you want me to review this late?

When I was in the woodwork

I remember making a lot of furniture cheap with this and I am going to review it.

We divide woodwork into hobby woodwork and commercial woodwork.

Hobby woodworking is making custom furniture

The time it takes to make the furniture is selflessness.

Commercial woodworking requires less time to make furniture. The guest came.

Please create a table. When can I come for you?

Like a table... Using this crug jig

Just sit down for a second. And cut it right away

I can tighten the screws and give the table to the customer right away.

It's really fast ... why is it fast?

I have several assembly methods.

It's screwed with a crug jig.

Or using domino

Or Using biscuits

There are many ways to use Dowel..

But all of them use Bond.

However, this does not use a bond and screws

It does not require time for the bond to settle because it screws.

So this is the flower of commercial woodwork.

Creg jig

I remember making a lot of money while using Cregjig

So how to set this up

Examples I'll explain these things.

One way to use this creg jig is

There is one way to do this by placing the member behind and drilling from the front.

When setting the cregjig

Fix with face clamp

Put 24mm wood on left and right.

The reason I put the tree

When processing long plates. The plate is out of balance.

Because the height is not right.

One side is struck. To solve the problem

like this

Screw in the screw. The height is the same as the cregjig height. 24mm

If you do this

When you do this 0:02:56.925,0:02:58.175 It's stable.

Fix it from behind Drill ahead. There is this way ...

Another way ... It is a way to drill from the rear with the member in front.

Such is the case

We should fix it with screws.

This way,

Place the front element Drilling from behind.

This way

Put the material in front Drilling from behind

this

The question of taste is the right answer. This is not the case.

I will let you know about the setting of the creg jig body..

now

Here you see

1/2 5/8 3/4

7/8 1

This is the figure in inches.

Inches, so

Western United Kingdom United States These countries are using inches

We use metric methods.

We use mm

With 18t, the best approximation is 3/4 inch

3/4 inches is 19.1 mm

Then, when using 15t plywood,

5/8 inch is about 15.9mm.

So if you use 18t plywood

This is a block.

This block

A lot of used 18t plywood

then 18t

Putting the blocks in place It will be set to 3/4 inch.

19.1mm

usually

It's okay to put it like this at 18t.

So if you do this,

So this is the height 5/8, 3/4, 1inch

There's 1-1/2 inches here.

The framing lumber can do this.

I'll show you later

So now

to 18t

I've set this up.

then

Bit, and bit settings.

here 3/4 inch

It's 18t, so I have to fit in here. It is currently set.

Let's untie the bolt

Use a hexagonal wrench to loosen it.

This move.

I'm putting this on the end line.

This is 19.1mm, and the plywood we use is 18t. Maybe a little less.

I'll make the settings.

It was very tight.

Then the bit is set, too.

Then the toggle, toggle setting

we

Push as far as possible

The pressure is high. At first

I need to unscrew this to move it.

Just fold it.

I'll fold it.

Lean the handle fully

in this condition

Turning towards the member.

The pressure is high.

in this condition Tilt the handle, turn it about one more turn, and tighten the screw in the this position.

like this

The setting is just the right pressure..

Then, Height setting, bit setting, toggle setting The this state is that the jig can be used

And I'll show you the cuts when I punched through the crug jig.

It looks like this.

The screw head is here. From here, the screws go into the diagonal.

I will add this section in detail.

It is sectional view by thickness

And Here you see

There are three holes like this.

It is Drilling hole.

plate material is ok

When drilling a rectangular lumber, you can drilling by combining these holes

Let me give you an example.

Now, The width of rectangular lumber is 50mm.

Put the rectangular lumber in here.

putting..

You can drill two in the far right.

The combination can come out like this one.

this and this

The left and right ends can come out.

So for the first time

When using this, the narrowest side

The width of the member is more than 25mm to 50mm

The width of this member is 50mm

You can do it from the far right.

I need to tighten two screws in the member to avoid rotation.

If only one screw is tightened, the member will rotate and the binding force will decrease.

and

The holes are a, b, c.

b, and c are used when the member width is 25 mm or more and 50 mm or less

If member width is 50mm or more and 80mm or less, a and b are used.

If member width is 80mm or more and 100mm or less, a and c are used.

If the member width is between 80-100mm, remember to use a,c.

Remember and use it later. ^^

Depending on the thickness of the member

I can lift the jig.

I'll put it up, 1 inch.

The jig has gone up a lot.

You need to adjust this bit when the jig goes up.

I'm raising the jig because it is thick.

Then

You'll have to change all the screw dimensions.

Now, the screws from Creg come out so that the head can be turned by a square wrench.

And the price is too high.

So do not screw Creg's screws and use plain screws.

18t plywood uses 28mm plain screws

24t plywood uses 38mm plain screws

This is 28mm screws

This is 38mm screws

I use a 28mm screw when joining with 18t plywood

I use a 38mm screw when joining with 24t plywood

28mm, 38mm screws are plain screws The head is also a cross. Can be fastened with a Phillips screwdriver.

You can save the screw value by using ordinary screw.

The disadvantages of plain screws compared to Creg screws

Creg screws The threads are in the middle.

There's no thread from the head to the middle of the screw.

so At the time of fastening

When fastening the screw, pull the rear member

However, the common screw does not come to the rear member when tightened.

The member does not stick from when the screw is inserted.

Gradually tighten with a clamp and tighten the screw when using a normal screw

This will give you good results with cheap plain screws

Screw dimension by member thickness

The member width is 50mm

b,c hole

I use two closest holes.

It looks like this.

It is difficult to screw on the inside and I will tighten it from the outside.

The member turn

You think this is a drawer.

then It is right to screw on the outside.

Because the inside is visible.

Because the outside is invisible.

Assuming this is a drawer, I will fasten the screws from the outside.

It's framed at 45 degrees.

I'll try this too.

When framing This is the hole area

So when the member is in position, the area where the back groove is visible is grooved

so Get away from the groove and position the member.

I have to make it this way.

But when framing, ignore the hole combination.

Considering a combination of holes, I can only penetrate one groove.

So as much as you can.

And Below line to look at

The bottom line is the way to the screw.

So ... when we did this, the bottom was out of line.

then This can not be done because the screw is off.

So the member must be in the line at the bottom and the top must be in the groove.

First

Move this way. The hall is hiding.

Make a hole around here.

Here, Make a hole around here.

Outside the zone It becomes damaged

Very close I can tighten two screws.

Then I'll try,

Use only the rightmost hole.

Below is in line. The top hides a hole.

If you're satisfied with both the top and bottom, you're going to groove.

I opened two holes in close detail.

If

This state

When I see a hole in the back, What's going to happen?

in the cross section It's like this.

So try to avoid this part

Let's look at the numbers.

If you look here,

1- 1/2 inch

1-1/2inch is thickness of framing lumber

So, can we use this to make framing lumber? Of course you can.

So where do we use the framing lumber?

Where is it that uses a lot of framing lumber?

When you're doing decks, 4x4

Use 4x4 as a post

post

When I made a railing with 2x4

At this time

4x4 and 2x4 combination

Use it at this time.

So let me give you an example.

Set it at 1-1/2 inches.

framing lumber

2x4

wide

89mm

I'll use the outer a and c for the hall.

1-1/2 inches.

You can guess it right here.

this is

If you assume post when you're doing deck,

I've got a hole in it's got.

Put this on like this. And then you screw it up from the bottom.

It's a 4x4 foundation, so it's a little small.

in this way with a screw in one's hand I can use it in framing lumber. . .

And Are the cregjig only used in perfect condition?

No, it's not.

The cregjig is segregated

Then can I use this only?

Yes, you can.

This is for the field.

How do you use this in the field?

If you look here,

There's a hole. It's got a screw stuck in here so you can work on it.

So if you know the height, you'll know.

You can use it in the field as much as you want.

I usually use this to repair furniture.

You can't disassemble the furniture, put it up here, cut a hole, and screw it in.

I have to disassemble the furniture. It's a hassle.

with a jig on the furniture

We can drill a hole right away.

It's great if you screw it.

It's fixed.

You can screw the screws into the hole here.

So let me give you an example.

We're doing furniture repairs in the field.

We need to get a screw in here.

It's virtual.

85mm

85mm

I'll draw a line at 85mm.

the easiest thing to do

It's the easiest thing to do with a block.

Put it in and face it.

Why??

It's 18mm thick, so...

But if it's the other side, remove the block and screw it in.

So this is how we're doing on the ground. I've joined it.

It's perfectly repairable.

This is how you can use it in the field

Cregjig k4

I'll finish my review.

Thanks for watching.

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