DRILL IS THIN AND LONG

DRILL IS THIN AND LONGTo drill the axial bore of small diameter into a long cylindrical part is not so easy even on the machine — drill was almost certainly “will lead”. To gain maybe a simple jig made from a block of aluminium, plastic or solid wood thickness of 15 — 20mm Through hole of the desired diameter is first drilled in the workpiece of conductor, and then 1/3 — 1/2 of the thickness of the reams the hole diameter of the part. Now, inserting into the slot of the conductor part from the reverse side can be drilled in it an axial bore even a hand drill. If the drill is too short, so they can drill through hole, through this conductor, this operation can be carried out in two steps with opposite sides of the part.
 
A. RODIN

Recommend to read

  • “GOAT” IN THE GARDEN“GOAT” IN THE GARDEN
    Memories of childhood and adolescence accompany the person in his life: about the native log house with a Russian stove; the sun warmed the dusty paths of the garden, the goats (most of...
  • A SIMPLE PLANERA SIMPLE PLANER
    Our journal has been published many designs of the plane. Basically, they are similar: there is a welded casing with base plate and mounted on the housing of the drive motor with the...