Calling all carpenters...

[slowmotion]

Screwing hinges into the edge of MDF is not a good idea. All commercial manufacturers fix into the face. Also, it's really hard to get enough glue into a split edge to repair it. The 10-12 mm dowel plug idea seems the best way to repair the edge to me.
I'm sorry to sound a bit pessimistic. Good luck anyway.

 

[slowmotion]

[QUOTE 3084097, member: 45"]Get some moles to gnaw some holes and fill them with vowels.[/QUOTE]
...who were on the dowel...

 

[vernon]

[QUOTE 3084097, member: 45"]Get some moles to gnaw some holes and fill them with vowels.[/QUOTE]

Get a spade and dig some holes and fill them with a trowel.

 

[smokeysmoo]

All these puns aren't helping and are likely to make the OP scowel.

 

[Markymark]

Yes these posts are foul.

Ps thanks for the non pun posts which have been useful!

 

[threebikesmcginty]

Considering the hazards involved; tools, MDF dust, idiot, etc. have you provided a risk assessment and method statement, you'll also need an CSCS card, a permit to work and the appropriate PPE?

 

[Markymark]

Considering the hazards involved; tools, MDF dust, idiot, etc. have you provided a risk assessment and method statement, you'll also need an CSCS card, a permit to work and the appropriate PPE?

Can I give you, say £300, and you'll sort out the paperwork for me?

 

[JoeyB]

All these puns aren't helping and are likely to make the OP scowel.

??

 

[sticky sherbert]

Drill a 10mm hole on the inside of the cupboard at right angles to the existing hole, do not drill all the way though the front!
Insert dowels with pva glue then re fit the hinge using woodscrews with pilot holes through the dowels.
That stops the MDF splitting as it puts most of the pressure on the MDF at right angles to the existing split.

 

[Markymark]

Drill a 10mm hole on the inside of the cupboard at right angles to the existing hole, do not drill all the way though the front!
Insert dowels with pva glue then re fit the hinge using woodscrews with pilot holes through the dowels.
That stops the MDF splitting as it puts most of the pressure on the MDF at right angles to the existing split.

Ok, that also make sense. How far in do I drill? As it how far in from the edge where the screw from the hinge hits the MDF?

 

[sticky sherbert]

Ok, that also make sense. How far in do I drill? As it how far in from the edge where the screw from the hinge hits the MDF?

That depends on how long a wood screw you put in but I would tend to leave a minimum of 10mm between the edge of the dowel and the edge of the MDF, if you can get a bigger dowel in its not a bad thing, just make sure the woodscrew hits the dowel roughly in the middle of its width.

 

[Markymark]

Thank you.

 

[Leedsbusdriver]

Have you tried hitting it with a big hammer? It nearly always sometimes works for me.

 

[Beebo]

Have you tried hitting it with a big hammer? It nearly always sometimes works for me.

No I think this job calls for duct tape

 

[Cuchilo]

Don't go straight in with a 10mm drill bit as you will probably split the mdf more . Work up to 10mm with a 5 , 7 then 10 .