b'In modern manufacturing environments, cartridges havea permanent place in tools for boring, turning, milling and drilling.So Fine under the application of the cut- clamping screw while others use a ting force because of clearanceradial screw to fine-tune the posi-between the cartridge body andtion of the cutting edge. Its impos-in millimeters; C for cartridge; A forpocket floor. sible to predict how hard the radial type A), the diameter of the screwThese drawbacks lead to a cum- adjustment screw will be jammed thread is M4 mm, and the pitch isbersome adjustment process thatby the clamping screw. The size equal to 0.7 mm. This means thatrequires multiple repetitions. Toof the hex or Torx tool driving the to complete one revolution of themake an adjustment, an operatorscrew is small and may be insuffi-screw, the cartridge will move radi- usually applies reduced torque tocient to overcome the friction.ally 0.7 mm. clamping screw 6. (See Figure 1.)To address the shortcomings nThe ratio of L/l1 reducesThen, he or she actuates adjust- of the traditional design, Sandvik the resolution of adjustment evenment screw 4 and secures clamp- Coromant Co. developed a car-further. ing screw 6 to the necessary spec- tridge concept (see Figure 3 on nDue to the rigid body of theification. During this process, thePage 45) that realigned a new car-cartridge, adjustment is possiblecartridge body slightly deformstridge with advances achieved in only by stretching clamping screwand the target position of the in- machine tools.6. (See Figure 1.) Practically, smallersert changes. From this point on,This new cartridge is built on the screw 4 is working against largereverythingdependsonopera- flexible body 1 platform as shown screw 6. (See Figure 1.) tor experience. Some operatorsin Figure 3. Insert 2 is secured by nThere is no firm body supportstart over again by releasing thescrew 3 in the front part of the 46APRIL 2023Inserts.indd 46 3/16/23 1:54 PM'