CN101837473A

CN101837473A - A kind of cutter and knife rest that is used for machining

Info

Publication number: CN101837473A
Application number: CN 201010127057
Authority: CN
Inventors: 马库斯·坎维舍
Original assignee: Hartmetall Werkzeugfabrik Paul Horn GmbH
Current assignee: Hartmetall Werkzeugfabrik Paul Horn GmbH
Priority date: 2009-03-18
Filing date: 2010-03-18
Publication date: 2010-09-22
Anticipated expiration: 2030-03-18
Also published as: CN101837473B; DE102009014971B3

Abstract

The present invention relates to a kind of cutter that is used for metal cutting processing, it has a knife rest (11), a blade (12) is placed in the blade pod (14) of knife rest (11) with the chip area member (18) that separates with blade, blade, is fixed on the knife rest (11) by blade securing member (20).Chip area member (28) is fixed on the knife rest (11) by this way by chip area fixture (34), be that blade (12) and chip area member (28) can be independently of each other unclamp and dismantle from knife rest (11), need not also to dismantle another member (12,28) and securing member (20) thereof at every turn.

Description

A kind of cutter and knife rest that is used for machining

Technical field

The present invention relates to a kind of cutter that is used for metal cutting processing, it has a knife rest, blade and the chip area parts that separate with blade, and wherein blade is placed in the blade pod of knife rest, adopts the blade securing member to be fixed on the knife rest.In addition, the invention still further relates to a kind of knife rest, particularly relate to the application of this knife rest, it has the blade pod that is used to install blade, also has the chip area pod that is used to install the chip area member.

Background technology

This type of cutter is usually used in metal cutting processing, particularly is used in turning, milling and the boring processing.Wherein cutter typically comprises knife rest and blade, blade or directly embed knife rest, and perhaps soldering perhaps is installed on the knife rest with form of a blade independently on knife rest, for example passes through screw threads for fastening.In addition, should pass through chip formation targetedly, avoid the smear metal between workpiece and the cutter to overstock, when smear metal was trapped between workpiece and the cutter, cutter was perhaps damaged on meeting defective work piece surface.

In the working angles, point of a knife downcuts material from workpiece, produces smear metal at the point of a knife place, and they slide on the cutting face of blade.The different designs of, cutting different with surface characteristic according to workpiece material and feed velocity and cutter head can produce difform smear metal.The smear metal that produces can be divided into flow chip, cotton-shaped smear metal, screw-like smear metal, chip curl and the smear metal of fragment shape.Various smear metal shapes have not only determined the workpiece surface quality of later formation, also have prior meaning, and it has appreciable impact to the space requirement of smear metal and later recycling possibility.In metal processing, people mostly wish to obtain very short smear metal, because opposite with long chip curl, short smear metal only needs to consume very little space, and can avoid smear metal to be stuck in the miscellaneous part of chuck or lathe.In most of the cases, should avoid producing the longer smear metal that can form smear metal group.

In order to produce satisfactory smear metal, a chip area is installed on the cutter of being everlasting, make smear metal have specific direction and shape.The fracture of smear metal is its side effect.The smear metal of flowing out impinges upon on the barrier structure, or turns to through the inclined-plane of chip area and be out of shape, and perhaps is subjected to bending stress and ruptures because of its fragility.

This type of chip area mostly directly is integrated on blade or the point of a knife, perhaps forms by grinding, and perhaps the shape by design in advance realizes, for example the example described in DE 4239236A1.Adopt the directly method of sintering chip area and moulding chip area on blade, the production cost of such blade is relatively costly.In addition also have another shortcoming, under the situation of blade abrasion, chip area also will be replaced, although under normal conditions, the wearing and tearing of chip area are much slight more than point of a knife wearing and tearing itself.

Under the other situation, chip area is as independently member use, and it clamps on blade or screw by clamp clip, clamp jaw or general screw fastening method.For example at US 4,135,845A, US 6,733, are exactly to realize in this way among 215B2 and the CH 304805B.Because blade is clipped between chip area and knife rest, removal of inserts is generally comparatively loaded down with trivial details and time-consuming.In addition, behind each replacing blade, chip area also must be recalibrated or be located.

Summary of the invention

Therefore, task of the present invention is, further improves the above-mentioned cutter that is used for machining, so that simplify the operation when changing blade, and under the situation that adopts chip area, reduces the production cost of the blade that inserts as far as possible.

The solution route of this task is, from above-mentioned cutter, by using a kind of chip area securing member that the chip area member is fixed on the knife rest, by such mode, blade and chip area member can be independently of each other unclamp and dismantle from knife rest, need not dismantle other member and its securing member at every turn.

In addition, this task also solves in the following way, promptly from above-mentioned knife rest, independently blade and chip area fixture is installed on described knife rest, so that blade and chip area member can be independently of each other unclamped and dismantle from knife rest, need not dismantle other member and its securing member at every turn.

By this task being solved fully with upper type.

The inventor recognizes, the chip area member can be fixed on the knife rest as member independently, and by fixture independently, especially can dismantle by fastening independence of independent screw and blade.Because this chip area member is not as US 4,135,845A, US 6,733, and the scheme that 215B2 and CH 304805B provide is clamped on the blade like that, blade also can be dismantled and be changed with the chip area member independently of each other by opening the blade fixture in this programme." separate " is interpreted as at this, and when dismounting and replacing blade or chip area member, other each member positions on knife rest can remain unchanged.With US 4,135,845A, US 6,733, and 215B2 is different with the scheme that CH 304805B provides, when blade exchange, need not unclamp chip area and fasten part (for example fixedly the screw of chip area member) because these two members are unlike as described in this publication, by identical securing member clamping on knife rest.Therefore only the blade securing member need be opened and get final product.

Its benefit is, greatly simplifies installation process on the one hand when changing blade, and it is constant that the chip area member keeps installment state simultaneously.So very meaningful, because the wearing and tearing of blade more than the serious wear of chip area member, therefore often need to change.If as in the present invention, the chip area member keeps installment state constant when changing blade, just can shorten installation time.In addition, the chip area member also needn't often be calibrated when changing blade, but can remain on the tram of having calibrated constant.

In addition, the chip area member preferably adopts the form of smear metal cover, carries for example chip trough of the form on inclined plane because have in the front of smear metal cover.The smear metal cover cap is lived blade, directly is contained in or is screwed on knife rest.

The chip trough parts can be removed from knife rest by unclamping the chip area securing member when needs are changed the chip area member easily as a member that separates with blade.Fixed form can select screw fastening, and wherein one or more screws pass the chip area member from above, and inserts on the knife rest by one or more screwed holes of installing for this reason.

Chip removal and the smear metal shape that forms through chip area can not be affected because of the absolute construction form that adopts blade and chip area member.The chip area member is realized same function, and has and the chip area high precision equally that is integrated on the blade.

In a preferred design, the chip area pod place that the chip area member is positioned on the knife rest is positioned on the blade, and has a through hole, and it is concordant with the blade securing member.Because blade usually is placed between chip area member and the cutter hub, this through hole mounting means should not influence operation blade securing member.If used a screw to come fastening blade, then this screw passes through hole and enters dress chip area member thereon from above, and can open and pull down, and needn't dismantle chip area for this reason.Like this, just can under the chip area member, this blade be pulled down from the blade pod easily, change a new blade simultaneously again.Screw thread on the chip area member in the through hole is no longer necessary, because the chip area member, just as already mentioned, being to use independently, securing member is installed on the cutter hub.But the through hole of chip area should be greater than the diameter of the screw of fastening blade.

Certainly, when cutting direction was opposite, the chip area member of same version and working method can also be placed in the below of blade.At this moment the chip area member is placed in in its default pod, makes the hole of reserving in the blade of laying on the chip area fastener alignment chip area member.In this case, two members can be changed equally independently of each other.

In the another kind design, the chip area member extends in its direction perpendicular to knife rest length, and is wideer than blade, and/or extends along the knife rest length direction, longer than blade.Be arranged in the chip area member in the chip area pod of knife rest, thereby hidden blade.Therefore, the chip area member is wideer and/or longer than blade than blade, in the side and have enough spaces towards stop surface, so that directly the chip area member is fixed in knife rest.The chip area member is positioned on the installed surface of for this reason reserving on the chip area pod of knife rest.Preferably, chip area securing member lateral arrangement on the next door of blade securing member, at knife rest vertically and/or be arranged in the back of blade securing member.Thus, the chip area member can side direction and is vertically moved, and is fixed on the knife rest by a screw.Wherein, screw only is connected the chip area member with knife rest, but and the blade of getting along well link to each other.If unclamp the chip area securing member, blade still is fixed on knife rest through blade securing member (similarly, for example a screw).It is contemplated that also according to using and cutting characteristic, same cutter can be used different chip area members, and changes by demand.Therefore, can chip area member any multiple shape, that have different chip areas on it be installed on the knife rest, what at this moment need to consider is, form in order to obtain best smear metal, the shape of chip area, thus also be the shape of this chip area member, forever will with the geometric match of point of a knife.As what the present invention realized, modular structure provides great flexibility.

In addition, in a preferred improvement project, chip area pod and blade pod are designed to, and have a gap at least in part towards the cutting face of the cutter of chip area member with between the cover-up surface of the chip area member of cutter.The thickness of preferred blade is slightly less than the degree of depth of knife rest cutter pod.The cutting face of blade does not entirely terminate in the placed side of chip area pod on the knife rest, but offsets downward slightly.By the gap that forms thus, the connection or the form that can not produce any power between chip area member and blade connect.The result can extract blade out, and need not dismantle the chip area member after unclamping the blade securing member from the blade pod.Not friction between the cutting face of the cover-up surface of chip area member and blade.

This gap must be very little, otherwise smear metal will enter gap between chip area member and the blade in processing, and be trapped in the following of chip area member even cause its perk.

In addition, following design is arranged in another scheme, the cutting face of blade tilts with respect to the cover-up surface of chip area member.The result of Qing Xieing is like this, can diminish to any degree towards point of a knife direction gap forward, thereby stop smear metal to enter.At all the other positions of this intermediate space, the gap can be bigger.When changing blade, except blade can be near the leading edge of chip area member once in a while, the enough big space of existence between chip area member and blade is so that blade can freely be extracted out.The inclination in cutting face also has the reason of manufacturing process technology, because can realize a better point of a knife angle of attack like this, and/or can optimize the chip removal shape by the geometry of point of a knife and the geometry of chip area or whole chip area member.

In addition, can also do following optimization, the chip area member has linear the contact with blade in the leading edge of chip area member.If the gap between chip area member and the blade only constitutes in such scope, promptly the chip area member contacts for linear with the leading edge of blade at the chip area member, and then the chip area geometry is closed forward, the space in the middle of smear metal can not be clamp-oned.Towards keeping out side, enough free spaces are arranged between two members, there is not the connection of power between two members, as mentioned above, can change independently of each other.That realize by this way, closed chip area geometry also has another advantage, i.e. smear metal can at first be passed through the cutting face of blade along the surface of closure, flows through the inclined-plane of chip area then.Have linear contact, and do not mean that blade is blocked by chip area member and knife rest in the leading edge of chip area member.Under this jammed situation, no longer guarantee described, cutting tool according to the present invention function, at this moment,, need unclamp the chip area securing member equally in order to change blade.

In addition, following design is arranged in the another kind of scheme, the installed surface of blade pod tilts with respect to the cover-up surface of chip area member.By the inclination of blade pod, make and insert blade easily again when changing, can between chip area member and cutter saddle, blade be slid onto always the stop dog position that sets in advance.This has alleviated the operation in the replacing process.On the other hand, the inclined plane also can be determined by previously described manufacture process requirement.

In addition, in preferred design, the chip area pod has the structure projection that supports the chip area member on the knife rest.The chip area member is by means of the structure projection location of adopting simple back wall form, make that by accurate cooperation the chip area member can be pushed into the projection that props up on the knife rest till.This has brought additional stability for the chip area member, has alleviated installment work.Thus, the through hole on the chip area member is only aimed at for the default screwed hole of securing member on this position and knife rest, avoids the installation of chip area member to make mistakes.Can also comprise in the bulge-structure and be used for open spaces manual and that instrument is got involved.Open spaces is convenient to remove the chip area member from the chip area pod, can get involved thus, catches the chip area member from behind better, can be by means of the instrument that can stretch into wherein, and dismounting chip area member.In when, between mounted chip area member and the knife rest corrosion taking place when, can make taking-up chip area member become very difficult, this point just demonstrates very big benefit.Because blade, has the similar space that the interventional method described can be approaching in the space at its rear portion, when the chip area member is installed, also can easily blade be released from behind.

In addition, in preferred design, the chip area member is provided with at least one outstanding forward chip area, and it plays the effect of chip formation or chip breaking.As mentioned above, the form of chip area and geometry can be diversified, and with the geometric match of point of a knife.Particularly under the situation of the building up by welding of trough and form-cutting and cutted thread, will adopt the point of a knife of nose shape, it is derived smear metal from side direction.At this moment, the point of a knife of nose shape will be by the trough trimming for the treatment of car system on the workpiece.According to the trough quantity that will carry out facing, will on point of a knife, make one and a plurality of chip areas, make and need only carry out a facing, just can produce a plurality of troughs, need not replenish turning or repeatedly use blade.When thread cutting, the cutter of intervention and workpiece shaft parallel ground carry out the feed campaign, and the advance amount of revolution conforms to the pitch of screw thread.

For guaranteeing desirable chip formation, the geometry of chip area will be mated with the point of a knife prenasal.Chip area is mostly got inclined-plane or taper, and smear metal can be flowed thereon.The effect of chip formation or chip breaking is played on the inclined plane.Different according to described structural scheme and gradient, may or early or make chip fracture behindhand.Can conceive many different geometries for this reason.

In a kind of preferred improvement project following design is arranged, knife rest and chip area member have a coolant channel at least.By coolant channel, cooling agent and lubricant can be guided to point of a knife.Except the cooling cutter, also have its specific purpose, promptly cool off scorching hot smear metal, avoid damaging tool surface.On the other hand, cooling agent and lubricant are a significant benefit to the surface of the work quality.By corresponding coolant channel opening location, also have influence on chip formation.By the unique design of this cutter and chip area member, can be with cooling agent and lubricant by the coolant channel point of a knife that directly leads.Certainly, the kind of cooling tube channel, shape and quantity can be respectively according to the geometry adjustment of point of a knife and chip area.

Be appreciated that above-mentioned feature of mentioning and the feature that will explain below are not only the combination that is used for separately, combination or their own uses separately that it can also be used for other all do not exceed scope of the present invention.

Description of drawings

In following diagram, described embodiments of the invention, and will in follow-up explanation, be further explained.As scheming:

Fig. 1 is according to the schematic perspective view of the metal cutting process tool of prior art.

The vertical view of the cutter among Fig. 2 Fig. 1.

The schematic perspective view of the cutter of Fig. 3 first embodiment according to the invention.

The vertical view of the cutter of Fig. 4 first embodiment according to the invention.

Fig. 5 according to of the present invention not with the schematic perspective view of the cutter of chip area member.

The side view of the cutter of Fig. 6 first embodiment according to the invention.

The schematic perspective view of cutter among second embodiment of Fig. 7.

The schematic perspective view of cutter among the 3rd embodiment of Fig. 8.

The schematic perspective view of cutter among the 4th embodiment of Fig. 9.

Cutter of the present invention among Figure 10 Fig. 9 is not with the overall schematic of chip area member.

The specific embodiment

Fig. 1 and Fig. 2 show the metal cutting process tool schematic diagram according to prior art.Relate to a kind of lathe tool that on lathe, carries out facing and moulding turning that is specifically designed to herein, especially for turned groove, and the lathe tool of machining screw.Lathe tool described here comprises knife rest 10, has the blade 12 that is placed in the blade pod 14 on it.Two point of a

knife

16A and 16B are arranged on the blade 12, and have the chip area 18 that links to each other with point of a knife.Chip area 18 is for directly being integrated in the inclined-plane on the blade 12.Blade 12 self passes the through hole of offering in advance on the blade 12 22 by screw 20, fixes with knife rest 10 screws.Can be according to occupation mode, the difform blade of packing into.The shape of chip area 18 also can change.

In order to cool off, and, many coolant channels 24 on knife rest 10, have been settled for the ease of chip removal.Convenient like this will cool off and lubricant lead main cutting zone near.In this case, main cutting zone lays respectively at two point of a

knife

16A and 16B front end.During cutting, point of a

knife

16A and 16B downcut material from workpiece, form smear metal, through the cutting face 26 and chip area 18 drain.Therefore, people often take all factors into consideration cutting face 26 and chip area 18 as smear metal guiding and smear metal moulding.The function that chip area 18 possesses is guiding smear metal and/or fracture smear metal.When adopting this blade 12, according to the formation and the shape need of workpiece material and smear metal, the quantity of point of a

knife

16A and 16B, shape and layout, and chip area 18 can be different.These change respectively as required chip removal and smear metal shape and adjusting.Generally can be according to prior art, grinding goes out chip area 18 in blade 12, perhaps makes default geometry.Chip area 18 directly is integrated on the blade 12 this blade processed complex and costing an arm and a leg.

First embodiment according to cutter of the present invention has been shown in Fig. 3 to Fig. 6.Fig. 3 is a schematic perspective view, and Fig. 4 shows the vertical view of described first embodiment.Here, will be by realizing chip formation and smear metal guiding as the individual member 28 of chip area member.In this embodiment, chip area member 28 is formed by the smear metal cover.Chip area 18 has two inclined-

plane

18A and 18B, and it is not directly to be integrated in blade 12, but is arranged on the smear metal cover 28.Constitute smear metal by two planes spaced apart from each other and turn to and be shaped, be i.e. the smear metal spigot surface 18A and the 18B of the inclination of the cutting face of blade 12 and chip area member 28.Adjust separately this plane or point of a knife 16A is set and 16B and

clearance surface

18A and 18B can realize at this with the requirement that meets manufacturing process.

In addition, in this embodiment, directly on chip area member 28, settled coolant channel 29.This additional coolant channel 29 helps chip formation, makes the surface of the work quality improve.Thus, coolant channel 29 directly is integrated on the chip area member 28, and point of a

knife

16A and 16B can closer lead cooling agent and lubricant.

Whole chip area member 28 is placed into the chip area pod 30 of knife rest 10, and fastening with screw.As can be seen from Figure 4, offered through

hole

32A and 32B in chip area member 28 both sides, they are aimed at screw thread (hole) 34A and the 34B of the system of getting on the bus at knife rest 10 respectively.According to designing requirement, can adopt fastener means (not shown) arbitrarily, fixing chip area member 28 in screw thread (hole) 34A and 34B particularly adopts screw to be screwed into.

Although installed chip area member 28, still can not unclamp or taking off under the situation of chip area member 28 from knife rest 10, unclamp and take out blade 12.Its reason is that chip area member 28 has an other through hole 36 on the one hand, and it is aimed at and can contact with the fixing hole 20 of blade 12; Between chip area member 28 and blade 12, there be not contacting of power or form on the other hand.Can wherein not put chip area 28 on the cutting tool according to the present invention 10 as seen from Figure 5 especially.Be blade 12 thickness less than or equal the degree of depth of blade pod 14 at most.Therefore, between the supporting surface 40 of the cutting face 26 of blade 12 and chip area member 28, formed a step 38.The cutting face 26 of blade 12 does not come in contact with the bottom surface of chip area member 28, and perhaps contact seldom.Therefore, not friction between these two faces, thus after unclamping screw 20, just can not have the ground of obstruction and from the blade pod, take out blade 12, need not also to unclamp the trip bolt of chip area member 28 for this reason.Its benefit is, can carry out separating of blade 12 according to the present invention and chip area member 28 respectively, and needn't spend more time installation.Because blade 12 bears more serious wearing and tearing than chip area 18 and chip area member 28, thereby their need often to change, so above-mentioned this point is highly significant in industrial practice.By this separate structure, can implementation structure simple, the blade (not comprising chip area) being convenient to make, and blade has different forms with the combination of chip area.

In addition, it can also be seen that from Fig. 5 that chip area pod 30 provides a frame for movement projection 42 with the form of vertical-lift wall in its back-end.Chip area member 28 is able to accurate location by projection 42 when embedding knife rest 11.Projection 42 also further plays additional mechanically stable effect, adds suffered power in man-hour, has greatly to bear herein.Opening 43 at structure projection 42 places is circular arc, provides manually or the tool operation point, thereby can dismantle chip area member 28 more easily.At first, when corrosion occurring between knife rest 11 and the chip area member 28, such opening is arranged highly significant, can enough hands or crow bar dismounting chip area member 28.Similarly, in the blade pod 14 thereunder such opening is arranged also, its purpose is identical, promptly is convenient to removal of inserts 12.

As can be seen, blade 12 is with respect to angle [alpha] of chip area member 28 inclinations in the side view of the cutter shown in Fig. 6 10.Its purpose is, on the one hand in the replacing process, in the blade pod 14 of can more easily blade 12 being packed into, and main be that the gap between blade 12 and the chip area member 28 will be as far as possible little at leading flank 44 places of chip area member 28 on the other hand.According to the size of gap and inclined angle alpha, might accomplish that also only there is linear the contact at 44 places to blade 12 in the front side with chip area member 28.At this moment, unclamp the trip bolt of chip area member 28, still can take out blade 12, its advantage is, the smear metal that is produced can not embed between blade 12 and the chip area member 28, otherwise smear metal piles up and to bring negative effect, perhaps even chip area member 28 is lifted from the origin-location.

Fig. 7 and Fig. 8 show second embodiment and the 3rd embodiment of cutting tool according to the present invention.These two embodiment show, and as requested, the smear metal shape of wishing and the texture characteristic of material, the shape of chip area member 28 can change arbitrarily.Different with first embodiment, only have oblique chip area 18B at the chip area member 28 shown in Fig. 7, form contrast therewith, but have vertical, flat front end face 46 at the chip area member 28 shown in Fig. 8.Yet, can also further be the shape that point of a knife 16 and chip area member 28 are conceived other.The front of chip area member 28 and chip area 18,46 tilt more, and smear metal is easy more being fractureed just.At the chip area member 28 shown in Fig. 8, compare with 18B with inclined-plane 18A on the chip area among first embodiment shown in Fig. 1 to 7, become extremely strong and direct chip breaking device, rather than only make chip formation and directly chip breaking.

Fig. 9 and Figure 10 show the 4th embodiment (comprising or do not comprise chip area member 28) of cutting tool according to the present invention.Blade 12 shown in it is different with first three embodiment, and 5 points of a knife are arranged, and adopts two

trip bolt

20A and 20B to be fixed on the knife rest.Therefore, chip area member 28 also has two through

hole

36A and 36B that aim at trip bolt 20A and 20B.In addition, according to the chip area member 28 of this embodiment, has the front 50 of inclination.All the other structures of cutter 10 conform to first embodiment basically.

As mentioned above, for cutting tool according to the present invention, the blade of the different shape of any kind of can packing into and quantity and chip area.Therefore, the present invention that be not limited to be showed with embodiment form that describe.For machining, importantly, the geometry of workpiece is coordinated mutually and is adapted to, so that obtain the chip removal path that it is suitable that is tried one's best, and obtains the chip formation that needs.At last, the shape of knife rest also can be different from illustrated shape.

The present invention can use on various forms of turning cutting tools in principle.The invention provides a kind of knife rest that any blade and chip area can be installed.The two-part construction of separating with the chip area member by blade, and the design that realizes according to the present invention, these two members can be independently of each other, install easily and change, and need not also another member will be installed at every turn.This just might realize very short installation time, and such benefit is provided, when promptly needing to change blade, with blade mutually specific wear chip area member seldom still be fixed on the tram of knife rest.By geometric position on knife rest blade pod and chip area member pod accurately, two automatic accurate location of part are not adjusted after not needing again.So cutting tool according to the present invention easy and simple to handle when changing blade makes the cutter that cost is low and the application of chip area member become possibility by modular.

Claims

1. one kind is used for the cutter that metal cutting is processed, it has knife rest (11), blade (12) and the chip area member (28) that is designed to separate with blade (12), wherein blade (12) is placed in the blade pod (14) of knife rest (11), and is fixed on the knife rest (11) by blade securing member (20).

It is characterized in that, chip area member (28) is fixed on the knife rest (11) by chip area fixture (34), be that blade (12) and chip area member (28) can be independently of each other unclamp and dismantle from knife rest (11), need not also to dismantle another member (12,28) and securing member (20) thereof at every turn.

2. cutter according to claim 1 is characterized in that, chip area member (28) is placed in the chip area pod (30) of knife rest (11), is positioned on the blade (12), has a through hole (36) of aiming at blade securing member (20).

3. cutter according to claim 1 is characterized in that, chip area member (28) is wider than blade (12) on the vertically vertical bearing of trend of itself and knife rest (11).

4. according to each described cutter of above claim, it is characterized in that, chip area member (28) itself and knife rest (11) longitudinally bearing of trend be longer than blade (12).

5. according to each described cutter of above claim, it is characterized in that chip area fixture (34) side direction is installed in the next door of blade securing member (20).

6. according to each described cutter of above claim, it is characterized in that, chip area fixture (34) knife rest (11) vertically on be placed in the back of cutter securing member (20).

7. according to each described cutter of above claim, it is characterized in that, the arrangement layout of chip area pod (30) and blade pod (14) is, between the cover-up surface in the face of the cutting face (26) of the blade (12) of chip area member (28) and the chip area member (28) of facing blade (12), there is a gap (38) part at least.

8. according to each described cutter of above claim, it is characterized in that the cutting face (26) of blade (12) cover-up surface of chip area member (28) relatively tilts.

9. according to each described cutter of above claim, it is characterized in that chip area member (28) contacts with the leading edge linearity of blade (12) at chip area member (28).

10. according to each described cutter of above claim, it is characterized in that the supporting surface of blade pod (14) tilts with respect to the supporting surface (40) of chip area pod (30).

11., it is characterized in that the chip area pod (30) of knife rest (11) has a structure projection (42) that is used for chip area member (28) according to each described cutter of above claim.

12., it is characterized in that chip area member (28) has a chip area that protrudes forward at least, plays the effect of chip formation or chip breaking according to each described cutter of above claim.

13., it is characterized in that knife rest (11) and chip area member (28) have at least one coolant channel (24,29) according to each described cutter of above claim.

14. a knife rest, the particularly knife rest that uses in cutter according to claim 1 have a blade pod (14) and a chip area pod (30) that is used to lay chip area member (28) that is used to lay blade (12).

It is characterized in that, on knife rest (11), tip arrangement securing member (20) and chip area fixture (34) by this way, make blade (12) and chip area member (28) can be independently of each other unclamp and dismantle from knife rest (11), need not also to dismantle another member (12 at every turn, 28) and securing member (20,34).