GENERAL JOINTER PART-V

CONCLUSION

 This particular machine demonstrated the ability of machine manufacturer to produce a high quality piece of equipment. There is a very small amount of variation in the tables and fence. The slight difference in the angles of the in-feed table to the out-feed table (.003 variation over 15″ comparing one table to the other) are not worth fretting over. If the machine was totally disassembled and inspected, the repair could be as simple as a slight burr on a moving surface, or more in-depth like re-qualifying one or two surface that are not in perfect alignment. The fence was repositioned on the jointer and the 90* angle to the table was checked. To do this I set the 1″ face of a 1-2-3 block lengthwise on the out feed table, then set another 1-2-3 block on top, with the 2″ face clamped to the fence. This makes the top 1-2-3 block  parallel to the length of the table and at 90* to the fence. If the 1-2-3 block was not parallel to the table, when you moved the surface gauge left to right, and if you were not able to guide the surface gauge parallel to the front edge of the 1-2-3 block, the indicator would be measuring up and down the slope of the block, giving a false reading. A 90* square guide would need to be clamped to the fence to keep the surface gauge and indicator running at the correct distance from the edge of the 1-2-3 block, ensuring the indicator is reading a true line. The 90* adjusting screw on the fence guide was reset, and the fence was re-indicated to the in-feed table with perfect results.

SETTING UP THE 1-2-3 BLOCKS

SETTING THE INDICATOR

TAKING THE READING

 So are all machines created equal? If they are not, can that machine be upgraded to a higher level? If the machine can be brought to a degree of precision, can you justify the cost? Lets face it, there are many factor that come into play when purchasing your tools and machinery, for most of us it comes down to cost. I personally like older equipment from the 1950’s to the 1980’s, (and it should be noted there are high quality machines before and after these dates) because many parts are still available, the castings were generally quiet nice, and for the most part they are name that I remember. I encourage you to take the time to check your machines for alignment, reset as necessary, and explore the possibility of a full restoration. After all Winter is coming, and a rebuild will keep your mind of the snow that’s falling.