PUNCH  GRINDER

One-touch hand-operated roller for making

punch edges by grinding

       Model:PGA

                                       Working manual

                            read this before using this machine.

                             keep this sate for the porpuse lf long-term using

TONGYI TOOLS INC,.CO

PUNCH  GRINDER

Punch grinder is a precision product which installed on a plane plate and grind the top surface lf round punch simply and accurately(under su).The operation can be stable handfed due to use the depressed roller to fix the handle. heavy grinding can be done also. Besides. ascertain the surface of the turing roller and depressed bearing without scratch and rust to keep its accuracy before using.

PARTS DESINGNATION

parts name

(1) suppiess saring                      

(2) roller  base

(3) lower brush

(4)stoppper

(5)lock knob of stopper

(6)adjustable shaft of stopper

(7)acjustable of stlpper knob

(8)revolving roller(right)

(9)revolving roller(left)

(10)suppress bearing

(11)suppress anm

(12)upper brush

(13)suppress anm adjusting screw bolt

(14)crank handte

(15)rear stoo upper and lower adjustoble knob

(16)rear stop upper and tower adjustable shoff

(17)vetum bandie retum

(18)suppress roller shaff lock knob

(19)suppress toller fixed shaft

(20)suppress roller tixed piate

(21)suppress roller fixed knob

(22)rear stop pin adjusting knob

(23)rear stop pin

REAL THE PART OF AHUNK(D)WHICH IS THE STANDARD OF ADRASIVE WORK.

shank diametral/min-------3ф    max------- 30ф

shank length/min----------  201     max--------601

if the swingins of d  against p  goes over

sum devise the precision of the revolving

roller.

WORKING METHOD

1、make grindstone or dressing. setting the front datum

level  paralled to the grinder. working the center of the

grinder.

2、push the return handle 17 downward to the right. open

the push arm-11,and insert the punch between rotating

roller and push the bearing. then adjust the push arm

screw 13 so that the push bearing may push the center

lf the punch. fix the  length and place lf the punch

by the rear stop and pin 23 and the front receiving board.

3、the punch is softly pressed by the pressure of the spring

2.put the push . roller-fixed nob on the projection of the

push arm 21.and close it softly and grasp the punch.

if the shunk of the punch is under 10 and grinder is

not heavy one .the push roller-fixed  nob  21 is no need

to be used.

4、make the crank handle revolve in the direction of the

arrow 60-100 r.p.m. the crank revolving, make the

grindstone touch the punch litter by litter.

(cauting)

hole the rotating roller down and keep the surface lf the

bearing free from flaw lf rust.

REVIST THE PRECISION OF THE REVLOVING ROLLER

make the crank handle revolve the both sides of the

rotating roller separately, and then polish the both sides

of the surface of the rotating roller. when you revolve the

roller, put the auxiliary pin into the ear part and change

the xrank  handie.