BLADE SHAPES-Clip

The clip refers to the length and angle of the concave curve on the non-cutting portion of the point of the blade. A regular ‘clip’ has a short, pronounced curve. A “California clip” has a longer, gentler curve. The “Turkish clip” has a very elongated curve.
While the point of the blade is effective for detail work, it’s not as strong as the thicker part of the blade.

from www.pknife.com

2283_more1副本

what is locking mechanism for pocket knives?

In the lock back, as in many folding knives, a stop pin acting on the top (or behind) the blade prevents it from rotating clockwise. A hook on the tang of the blade engages with a hook on the rocker bar which prevents the blade rotating counter-clockwise. The rocker bar is held in position by a torsion bar. To release the knife the rocker bar is pushed downwards as indicated and pivots around the rocker pin, lifting the hook and freeing the blade.

When negative pressure (pushing down on the spine) is applied to the blade all the stress is transferred from the hook on the blade’s tang to the hook on rocker bar and thence to the small rocker pin. Excessive stress can shear one or both of these hooks rendering the knife effectively useless. Knife company Cold Steel uses a variant of the lock back called the Tri-Ad Lock which introduces a pin in front of the rocker bar to relieve stress on the rocker pin, has an elongated hole around the rocker pin to allow the mechanism to wear over time without losing strength and angles the hooks so that the faces no longer meet vertically.

The bolt in the bolt lock is a rectangle of metal that is constrained to slide only back and forward. When the knife is open a spring biases the bolt to the forward position where it rests above the tang of the blade preventing the blade from closing. Small knobs extend through the handle of the knife on both sides allowing the user to slide the bolt backwards freeing the knife to close. The Axis Lock used by knife maker Benchmade is functionally identical to the bolt lock except that it uses a cylinder rather than a rectangle to trap the blade.The Arc Lockby knife maker SOG is similar to the Axis Lock except the cylinder follows a curved path rather than a straight path.

In the liner lock, an “L”-shaped split in the liner allows part of the liner to move sideways from its resting position against the handle to the centre of the knife where it rests against the flat end of the tang. To disengage, this leaf spring is pushed so it again rests flush against the handle allowing the knife to rotate. A frame lock is functionally identical but instead of using a thin liner inside the handle material uses a thicker piece of metal as the handle and the same split in it allows a section of the frame to press against the tang
from http://www.pknife.com

Folding_knife_locking_mechanisms.svg

About fixed blade knife guard and pommel ?

to make a guard and pommel.these pieces are typically milled from bars of brass,steel or nickel silver,After the pieces are milled to shape and hole are cut where necessary,final fitting is adjusted by hand using files.The guard is soldered or pressed noto the blade and the handle material is cut,drill and shape to the blade

If we were making a full tang knfie with two-piece slab handles, also known as scales, the handle would be attached to each side of the knife using brass or steel pins pressed through holes in the handle

from http://www.pknife.com

what is mirror polished for blade?

Most of people perfers mirror polished blade,this not only provides a beautiful finish but it make for smoother cutting and helps to the blade clean.mirror polishing is a long,hard process using a series of buffer equipped with cloth buffing wheels coated with various grits of polishing compounds. Buffing takes a great deal of skill and attention as it is one of the most hazardous part of knifemaking.

from http://www.pknife.com

4044_more1副本

specializing in pocket knives and outdoor gear