three point fork lift mast?

   / three point fork lift mast? #11  
One thing to be mindful of with those fork lift type 3pt mast set ups:
Check garage opening heights vs mast height when entering or leaving - same goes for low tree limbs.
I mention this after having witnessed someone in a hurry to load a truck, zipping out of the warehouse, lowering a pallet of cedar shakes grabbed from up on a storage rack, but not lowering them quite in fast enough. What a mess.
 
   / three point fork lift mast?
  • Thread Starter
#12  
thanks for the ideas, and links
 
   / three point fork lift mast? #13  
can someone enlighten me why some have chains+cylinder and some just a cylinder ? What are the pro's <-> cons of both systems ? Safer, stronger, ... ??
 
   / three point fork lift mast? #14  
can someone enlighten me why some have chains+cylinder and some just a cylinder ? What are the pro's <-> cons of both systems ? Safer, stronger, ... ??
Chains allow for a shorter cylinder (moving the cylinder 1" moves the forks 2") which allows for multistage masts and cheaper cylinders (cheaper to use a thicker cylinder than to use a longer one).
Most forklifts have chains, not a direct connection to the cylinder.

Aaron Z
 
   / three point fork lift mast? #15  
can someone enlighten me why some have chains+cylinder and some just a cylinder ? What are the pro's <-> cons of both systems ? Safer, stronger, ... ??

Same reason (or opposite I suppose) you have multiple loops of chain/cable on a crane or chain pulley. It basically acts like a gear. Increased movement and speed at the cost of power or decreased movement & speed with more power.

Also not unlike your average extension ladder. It makes it easy to raise a boom really high above the mechanism raising it.
 
   / three point fork lift mast? #16  
One thing to be mindful of with those fork lift type 3pt mast set ups:
Check garage opening heights vs mast height when entering or leaving - same goes for low tree limbs.
I mention this after having witnessed someone in a hurry to load a truck, zipping out of the warehouse, lowering a pallet of cedar shakes grabbed from up on a storage rack, but not lowering them quite in fast enough. What a mess.


How badly was the mast damaged
 
   / three point fork lift mast? #17  
One thing to be mindful of with those fork lift type 3pt mast set ups:
Check garage opening heights vs mast height when entering or leaving - same goes for low tree limbs.
I mention this after having witnessed someone in a hurry to load a truck, zipping out of the warehouse, lowering a pallet of cedar shakes grabbed from up on a storage rack, but not lowering them quite in fast enough. What a mess.


How badly was the mast damaged
 
   / three point fork lift mast? #19  
Ok I get it now, thanks for explaining why they use chains guys.
 
   / three point fork lift mast? #20  
Yikes!
 

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