Omlat Torino Spindle Repair
Omlat Torino Spindle Repair
This Omlat spindle had bearing failure. The front shaft journal was undersized and the drawbar threads were bent. In addition to repairing this spindle the customer wanted it converted to be able to use collet toolholding. We modified the shaft to accept a standard collet system. We also provided collets and collet nuts so the conversion was plug and play. The spindle was shipped back to the customer with our standard 1 year warranty.
Parker Majestic 73A-4 Spindle Repair
6,000 RPM
This Parker Majestic spindle repair is a perfect example of our standard repair.
After receiving the spindle we cleaned and inspected the overall dimensions to determine the cause of failure. We replaced the bearings. We then adjusted the preload, balanced, assembled, broke in and QC tested the spindle.
The spindle then shipped back to the customer with our standard 1 year warranty.
Gildemeister Spindle Repair
This customer had sent the spindle to a different repair facility previously and was not happy with their work. They decided to send it to us.
We broke down, cleaned and evaluated the overall dimensions of the spindle. The bearings were replaced. We machined the spanner holes in nuts and shaft burr. We then adjusted preload, balanced, assembled and broke in the Gildemeister spindle. This customer was happy with the repair, and their mind was at ease knowing they have a full 1 year warranty.
Republic Lagun VMC3516S
8,000 RPM
This spindle came in broken down. It was also missing the drawbar assembly and parts for the shaft tail. Quite often we do not receive all the parts we need for a proper spindle repair. This Republic Lagun spindle also had worn drive dogs. The shaft taper was slightly below the gauge line. The front housing was +50 microns where the 3rd bearing sat.
We ground chrome plated and reground the shaft taper and the front housing in addition to our standard spindle repair.
This was shipped back to the customer before the estimated time we quoted.
Spindle Rebuilding and SNOW
The snow affects even spindle rebuilding. When we get hit with a snowstorm here in the New England area you wouldn’t think that rebuilding a spindle would come to a halt. Well it does. After getting about a foot of snow and heading to work and arriving late we get the announcement that our freight company would not be showing up. This means that certain parts will not be coming in and customers finished spindles will not be shipping out the door. Calling a customer and telling them the spindle rebuild will not ship because we did not receive the parts or because the freight company isn’t coming in is not acceptable. They don’t have the time to understand our problems, they have their own and hearing ours is not what they want. I recently had to tell a customer the rebuilt spindle was on a truck stuck in Indiana on the road. The highway was shut down and their spindle was not moving. They appreciated the update but were not happy about it being “stuck”. When we get a lot of snow we lose power. You cannot build and test run a spindle with out power. Kids are out of school when it snows. We sometimes have to stay home on a “snowday”. As you can see spindle rebuild does come to a halt with the weather. We now wait for the snow to melt and to see grass growing. If you have warm weather send it our way along with your spindle for rebuild.
We recently had a customer inform us that they were trying someone else due to the lead time we quoted them. We understand that from the customer’s point of view that they needed their spindle yesterday, in a manner of speaking. This particular customer did not have a spare and the OEM did not have any in stock. This certainly put the customer in a bind; so they did what they felt they had to in order to minimize downtime. This customer explained to us that they were happy with our quality and prices, and was hesitant to go elsewhere.
From our stand point this spindle had to have a grind chrome plating and finish grind to bring it back to specs; unfortunately this takes some time. The estimated lead time we quoted them was 5-10 business days. We always do our best to get a customer’s spindle back to them as quickly as we can. We understand how important it is to keep their business running smoothly.
They ended up sending the spindle to another vendor, who quoted them a 5 day lead time. This was their lead time for anything sent in regardless of how much work needed to be done.
We received a call from this customer after the spindle had been repaired by the other vendor. The customer let us know the other vendor took 7 weeks to return the spindle. The customer has since sent us another spindle to be rebuilt.
When it comes to turn around time we try our best to get the customer what they want. If we can’t do this we will tell you the truth. The truth hurts sometimes but it is for the best.
Pibo Multi TRH400-333
3,500 RPM
Our customer has an extensive installation of Pibo Multi spindles. A common cause of failure for this type of spindle is coolant contamination. To protect the spindle from this we evaluate the condition of the labyrinth system on the front end of the shaft systems. The spindle repairs often require a rework or replacement of these parts in order to maximize the contamination prevention properties of this system. Northland Tool & Electronics stocks these parts for many models and we can manufacture them for any repair.
Mazak VTC-16 Spindle Repair
7,000 RPM
This customer wanted a ballpark quote for his spindle repair. He was satisfied with the amount so he sent his spindle in to be thoroughly quoted, which is always a free service. After he received the actual quote he decided to proceed with the repair.
We cleaned and inspected the overall dimensions of the spindle. We discovered that the cause of failure was due to contamination. The taper had 40 microns of runout. The tooling rocked in the taper and the bellevilles were worn.
We replaced the bearings. We also ground, chrome plated and reground the taper. The preload was adjusted. The spindle was balanced, assembled, broke in. It was then checked by our QC department and shipped back to the customer.
Heald 438-100 Spindle Repair
2,600 RPM
In most companies there are several operators working on the same machine. In this case the third shift operator took the spindle apart trying to figure out what was happening with the air purge. He then put the spindle back together. The spindle was making noise and was tight. Our technician spoke with him but was unable to troubleshoot the problem over the phone. The spindle still was not working properly so they sent it to Northland Tool & Electronics for a thorough evaluation.
We determined that this Heald 438-100 spindle had contaminated bearings, and most of the grease was washed out. The shaft face had 10 microns of runout, and needed a kiss grind. View Our Heald Page Here.
Fischer HJN-828 Spindle Repair
28,000 RPM
This is a good example of a straight spindle repair. We received this spindle, broke it down, cleaned and the inspected the overall dimensions. We replaced the bearings, adjusted the preload, balanced, assembled and broke in the spindle. We then checked the spindle during the final QC inspection. Once all this was complete we shipped the Fischer HJN-828 spindle back to the customer.