Controversial opinion time.
Where I work, about a year ago, we acquired a small 15kg Anyang to perform some our frequent light forging tasks and free up our Sahinler for other operations. The internet is awash with shining reviews of these little hammers, and they seemed the ideal choice. *Repair Tools: Mini Drill Press
It was unloaded, moved into its new home, and solidly bolted to the floor. Then the problems began.
Firstly, we turned it on and the ram was immediately sucked up and became lodged. This resulted in unbolting the top, and having to hammer (With a wooden block) the ram back down. It was wedged solid. On a second attempt, the same thing happened again despite being very heavily lubricated. Several more attempts followed, but it simply wouldn't free up. I can appreciate new machinery with close tolerance parts can take a while to break in, but it wasn't even giving itself a chance. The parts were simply poorly machined and didn't fit correctly. We sent it back to the supplier, who installed a new ram, and it returned now in working order.
Now, with it running as it should, we encountered the next problem. The oiler doesn't work. It either fails entirely, leaving the entire thing bone dry, or drains the entire oil tank through the system in a few minutes leaving you sliding around in a puddle of expensive oil. What followed was 6 months of trying different valves, different grades of oil, phone calls across continents offering advice, and eventually ending up with an oiling system that works. Badly, but it does work. Call me old fashioned, but I think if you're manufacturing a machine, it should probably work right.
Whilst dealing with aforementioned issues, we noticed a series of cracks in the cylinder cap. Effectively, the pressures within the cylinder are always working to blow the cap off, and the cap was such a poorly cast hunk of crap that it had began cracking under the strain, and would've eventually blown off the top into the users unsuspecting mug. Within 15 minutes, I'd made a replacement cap out of plate steel using only a pillar drill and an angle grinder, to replace the crap that'd come out of a multi million pound engineering workshop. They sent us a replacement, but I wouldn't trust it.
Another thing bugging me is the anvil mass. There isn't one. The casting directly below the dies is entirely hollow, and it shows. When working steel, your work constantly tries to bounce around and throw itself out of the way. All the while the small ram is frantically smashing away, and all it's effort is disappearing into this hollow cavity. It's a small hammer, but the same rules apply. It needs the anvil mass, or all the hammers effort goes elsewhere.
And whilst we're picking flaws, the fly wheel's totally off balance, and leaves the hammer constantly trying to wriggle free from its foundation. If you can't get a hole straight and central, you either need to check your equipment, or replace your staff.
Oh, and the control is awful, and despite my tinkering, little can be done to improve it.
All in all, it's hugely disappointing. The design seems great, and it has the potential to be a fantastic little machine with a few modifications and a little more attention to detail. But as it stands, I'm not sure I'd accept one if it was given to me.
Have we just got incredibly unlucky, and ended up with the only crap Anyang in the world, or am I just a nitpicking bastard? Eitherway I felt the need to vent. Constantly reading these positive views of what in my experience is a worthless hunk of crap is driving my insane.
From agm battery reviews
Where I work, about a year ago, we acquired a small 15kg Anyang to perform some our frequent light forging tasks and free up our Sahinler for other operations. The internet is awash with shining reviews of these little hammers, and they seemed the ideal choice. *Repair Tools: Mini Drill Press
It was unloaded, moved into its new home, and solidly bolted to the floor. Then the problems began.
Firstly, we turned it on and the ram was immediately sucked up and became lodged. This resulted in unbolting the top, and having to hammer (With a wooden block) the ram back down. It was wedged solid. On a second attempt, the same thing happened again despite being very heavily lubricated. Several more attempts followed, but it simply wouldn't free up. I can appreciate new machinery with close tolerance parts can take a while to break in, but it wasn't even giving itself a chance. The parts were simply poorly machined and didn't fit correctly. We sent it back to the supplier, who installed a new ram, and it returned now in working order.
Now, with it running as it should, we encountered the next problem. The oiler doesn't work. It either fails entirely, leaving the entire thing bone dry, or drains the entire oil tank through the system in a few minutes leaving you sliding around in a puddle of expensive oil. What followed was 6 months of trying different valves, different grades of oil, phone calls across continents offering advice, and eventually ending up with an oiling system that works. Badly, but it does work. Call me old fashioned, but I think if you're manufacturing a machine, it should probably work right.
Whilst dealing with aforementioned issues, we noticed a series of cracks in the cylinder cap. Effectively, the pressures within the cylinder are always working to blow the cap off, and the cap was such a poorly cast hunk of crap that it had began cracking under the strain, and would've eventually blown off the top into the users unsuspecting mug. Within 15 minutes, I'd made a replacement cap out of plate steel using only a pillar drill and an angle grinder, to replace the crap that'd come out of a multi million pound engineering workshop. They sent us a replacement, but I wouldn't trust it.
Another thing bugging me is the anvil mass. There isn't one. The casting directly below the dies is entirely hollow, and it shows. When working steel, your work constantly tries to bounce around and throw itself out of the way. All the while the small ram is frantically smashing away, and all it's effort is disappearing into this hollow cavity. It's a small hammer, but the same rules apply. It needs the anvil mass, or all the hammers effort goes elsewhere.
And whilst we're picking flaws, the fly wheel's totally off balance, and leaves the hammer constantly trying to wriggle free from its foundation. If you can't get a hole straight and central, you either need to check your equipment, or replace your staff.
Oh, and the control is awful, and despite my tinkering, little can be done to improve it.
All in all, it's hugely disappointing. The design seems great, and it has the potential to be a fantastic little machine with a few modifications and a little more attention to detail. But as it stands, I'm not sure I'd accept one if it was given to me.
Have we just got incredibly unlucky, and ended up with the only crap Anyang in the world, or am I just a nitpicking bastard? Eitherway I felt the need to vent. Constantly reading these positive views of what in my experience is a worthless hunk of crap is driving my insane.
From agm battery reviews