WO1990009459A1 - Method for thermal treatment of high-speed steel - Google Patents

Abstract

The method provides for a ''thermocycling'' by multiple heating and cooling carried out within the temperature interval between the martensite transformation starting point and the melting point, that is between 160 and 1305C, the steel being precooled up to 1000-1100C during the cooling cycles; hardening by means of cooling down from a temperature exceeding the polymorphic transformation temperature to which the steel is heated during the last cycle of the thermocycling; and tempering.

Description

 СП0С0Б ΤΕΡШШЖΟй ΟБΡΑБΟΤΚИ БЫΤΡΟΡΕϋΤΡΟΡΕϋШЦΕЙ СΤΑЛИ

Area of technology

Ηasτοyaschee izοbρeτenie οτnσsiτsya κ οblasτi meτal- luρgii 5 and the main οbρazοm - κ sποsοbam τeρshchesκsy οb- ρabοτκi bysτρορezhuschey sτali, πρeimuschesτvennο ddya ρezhu- schiχ insτρumenτοv and insτρumenτοv, isshτivayuschiχ udaρnye nagρuzκi, κοτορye izgοτοvlesh πρeimuschesτvennο of nonlinear τοy bysτρορezhuschey sτali.

PREFERRED EMBODIMENTS

The thermal process has been known to improve the performance of the system in order to increase the speed / shutdown (turn off, 4023988). products up to 982-Ι037 ° С, isolated πρи

15 this temperature, and then maintaining it up to 42? -649 ° С and maintaining it at this temperature, it completely eliminates the need for temperature transfer. After this is completed, before heating, I will order up to 927 ° С, after-cooling and after-launching Ι49-204 ° С. Π Result πραз-ждппл ^ тного

20 and beyniτnοgο πρevρascheniya πeρed ausτenizatsiey in sτρuκτu- ρe sτali πρi nagρeve ποd zaκalκu w gρanitsam au.sτeniτ- nyχ zeρen ρasποlagayuτsya τοnκie dροslο $ κi κaρbidοv, κο- τορye.sοχρanyayuτsya ποsle zaκalκi and-sποsοbsτvuyuτ ποvshe- NIJ usτalοsτnοy προchnοsτi yaρi-.κachenii.

25 -Uκazanny - sποsοb not mοzheτ οbeslechiτ vysοκie eκs- πluaτatsiοnnye -svοysτva insτρumenτa of-view bysτρορezhuschei sτali ~ nevysοκοy τemπeρaτuρy -zaκalκi.d-ma-lοgο pure la schκlοv (not bοlee dvuχ) chτο not dοzvοlyaeτ maκsimal- nο legiροvaτ τveρdy spare parts for food |

30 points, that is - there is no reason to increase the speed, reliability, reliability and other properties of quicker steel.

Izvesτen τaκzhe sποsοb τeρmοοbρabοτκl .z ^ avτeκτοid- nοy sτali, sοdeρzhaschey less Yu # legiρuyuπsch eleι ^ ^ enτοv 35 (-υz, - Α, 3922Ι8Ι), κοτορy vκlκyaaeτ vysοκ.οτθmπeρaτdauyu ausιenizatsiyu, izοτeρmichesκuyu zaκalκu with vydeρzhκοϊ πρi τemπeρaτuρe 480-720 ° With the complete reduction of austenit heavy-duty, direct heating to the temperature of the augmentation. below the temperature of the complete decompression of the consumables, the subsequent aftercooling and cooling. . . . the well-known method ensures the production of small land

5 on. the achievement of the optimal distribution of dispersed kara-type in the building, which saves the cost of short-circuiting, is favorable. As a result, the cost-effective fatigue rate increases by 2.5–3 times, the yield rate by compression is $ 30-35,

10 and also increases the wearability of the eutectoid steel.

However, the presented method of processing is not suitable for fast-growing steel and is not very high in such operating conditions.

15 serviceability, reliability, safety and other features. This is due to the relatively low degree of alloying of consumer goods because of the low temperature, and only a small number of them.

20 there is a method of producing a low-temperature material for aluminum sludge (Ρ, Α, 61-250150); , posting and-release _* . . .

25 * -Izgοτοvlenny πρedyaοzhennym sdοsοbοm insτρumenτ οτ- lichaeτsya vyeοκοy ρazmβρnοy sτabilnοsτyu, vysοκοτemπeρa- τuρnοy lροchnοsτyu, vyazκοsτyu and τeρmοsτοyκοsτyu.- Οdnaκο uκazannaya .τeρmichesκaya οbρabοτκa -not ποzvοlyaeτ ποvysiτ ρa- bοchie svοysτva insτρumenτa * from bysτρορezhuschey sτali due

30 low legitimacy of its collapse, which is caused by a low-tempering quake and a small number of cycles (not more than two).

Also known is the thermal treatment of cast steel (steel, Α, -Ι0Ι4938, which excludes

35 heating higher than the temperature limit, * thermal cycling and stopping, while heating is the same as the last heating - 3 - your bike. Thus, πρ and theotherm. Heating takes place 20–50 ° C lower than the temperature; It is cooler from the lower temperature range to 700 ° C; it lasts 4-8 hours and then it takes a little time to cool it down.

-If the aforementioned system is implemented, the optimal number of safety devices is reached .5-7 and, depending on this, are inactive. Moreover, the upper and lower boundaries of the thermal cycling are limited by the temperature of the process, which lies at the end of the temperature. (neutral) - the incapacitation and tempera- ture of the standard hardening and the exclusion of the possibility of free-of-charge is excluded in general. Stopping all stages of the heat treatment process and the values of the upper and lower temperature sensors are constant. . .

A short and easy way is the large values of the non-existent tools from (direct and old) consumer goods. This is due to the fact that a net-eutectic disorder is frustrated, which is a natural occurrence. Only a quicker quicker steel is used, and for a tool from an unused and unused quicker steel, it is underestimated or disrupted For this reason, the tool made from die cast steel cannot be operated under conditions of fast cutting.

DISCLOSURE OF INVENTION

-. Basically, the invention is provided. sοzdaniya task sποsο- ba τeρmiches-κοy οbρabοτκi bysτρορezhuschey sτali, -τeχnοlοgi- chesκaya sχema κοτοροgο would ποzvοlyala on account vybορa οπτimal nyχ ρezhimοv τeρmοοbρabοτκi uvelichiτ sτeπen legiροvaniya τveρdοgο ρasτvορa κaρbidοοbρazuyuschimi elemenτami, οbesπechi grinding sτρguκτuρnyχ sοsτavlyayuschiχ (zeρen, κaρbidοv) ρealizοvaτ φazοvy naκleπ, chτο increases impact strength - 4 -

Respectability, reliability and, in the final result, the performance of the tool, as well as the productivity of the product

Suschesτvο izοbρeτenιya zaκlyuchaeτsya in τοm, chτο in sπο- sοbe τeρmichesκοy οbρabοτκi -bysτρορezhuschey sτali, vκlyuchayu- present τeρmοschκliροvashe πuτem mnοgοκρaτnοgο nagρeva and οχlazhdeniya, zaκalκu, shgρev ποd κοτορuyu sοvmeschayuτ with πο- Latter nagρevοm πρi τeρmοtsiκliροvashi dο .τemπeρaτuρ, πρevyshayuschiχ τemπeρaτuρu ποlimορφnοgο πρevρascheniya and οτ - Starting the invention, terminating the circuit at the time of the tempera- ture of the vehicle is inadequate and inadequate to the οτ Ι60 ° С to Ι305 ° С.

Τaκοe.vyποlnenzhe sποsοba ποzvοlyaeτ οbesπechiτ -iz- melcheshe sτρuκτuρnyχ sοsτavlyayuschiχ (zeρen, κaρbidοv) uvelichiτ sτeπen legiροvannοsτi τveρdοgο ρasτvορa, ρea- lizοvaτ φazοvy-naκleπ, chτο-ποvyshaeτ udaρnuyu vyazκοsτ - προchnοsτ, -τeπlοsτοδκοsτ Zyeτρορezhuschey sτali and κοnech- nοm- overall operational stability of the tool. It is a matter of temperature, which results in a loss of temperature, which results in an increase in temperature, which results in an increase in temperature, which results in a loss of health and Βeρχshy τemπe- ρaτuρshy πρeded-τeρmοtsiκlichesκοgο nagρeva οgρanichen τem- πeρaτuροy πlavleniya, ποsκοlκu above eτοy τemleρaτuρy HA .blvdaeταya οπlavleshe-and -znachiτelny ροsτ zeρsh, -chτο of Great-deτ -ρezκοmu κ-snizheshyu meχashchesκiχ svοysτv bysτρορezhu- conductive * sτali -nezavisimο The number of thermostats. Ηizhny τemπe- ρaτuρny πρedel τeρmοtsiκlichesκοgο οχlavdeniya- οgρanichen zgemπeρaτuροy-start ιlaρτensiτnyχ πρevρascheshy, -ποsκοlκu πρi-mnοgοκρaτnοm οχlazhdeshi shzhe eτο.y -τemπeρaτuρy, starting nayuτsya maρτensiτnye πρevρascheniya-dρugie or changes in sτρuκτuρe leading κ πadeshyu προchnοsτi and vyazκοsτi in chasgnοsτi κ The development of a troublesome application with the name “the long term”., as well as the appearance of the end-to-end shortcuts and so on. At first, the patient is at a relatively early stage. It depends on me .ο. The heating temperature of the ice is high, the speed of the cutting steel is faster than it - 5 - Cooling and cooling. . . .

It is useful. πρi τeρmοtsiκlichesκοm οχla ^'zhtsenii bysτ-. First, the steel should be supported at a temperature of 1000- сначала00 ° С. * ~ -. . ... ^{* ''} . ^': ;

5 - This is a contributor. More complete conversion, diffusion of the separation of the light elements and leveling of the temperature at the intersection of the instrument,. to reduce its deformation ,. to increase impact viscosity and telosity, and in the end, to increase the operational stability of the tool. Notwithstanding the fact that the device is lower than Ι000 ^{ο, the} instrument is in the least flexible and is not subject to any inconvenience.

- 6 - ποвеρχнοсτи инсτρуменτа, τаκ κаκ уκазанше вοссτанοви- τели являюτся .дοποлниτельным ποсτавщиκοм сοлевοй -ρас- πлав углеροда., κοτορый учасτвуеτ в сοздаши вοссτанοви- τельнοй аτмοсφеρы. 5 Β дальнейшем изοбρеτеше ποясняеτся егο ποдροбным οшсашем и πρимеρами κοнκρеτнοй ρеализации.

- 6 - an increase in the productivity of the instrument, as well as an increase in the share of the product is an additional consumptive and non-volatile solid fuel. 5 Β hereinafter, it is explained in a convenient manner and with practical implementation methods.

The best option of carrying out the invention of the invention is the process of processing. quick steel, required for normal tools, as agreed

10 On the other hand, there are the following items. - -

- Inns .. from fast-growing steel, they allow thermal cycling by means of the investigation of the transfer of it from the villages for heating to steel. Your room for ironing. After elimination, the instrument will return to the same

15 yours for heating and re-start the process. For your thermo-cyclic heating and cooling, you need to remove the temperature from the temperature range to the temperature range of the temperature and the temperature of the beginning of the temperature. treatment.

The last heating is combined with your combined heat.

20 Heated before ordering a drain from the bathtub for thermally cycling it is not suitable for the bathtub for charging. -What the temperature controller has to do with thermal cycling during the temperature interval between the temperature controller (the heat source)

25 posts. and melting temperature. -Finally, and with this -therefore, the cessation-and the following will be completed in the end-of-life environment. quips ..

-Pοsle-zaκalκi insτρumenτ ποdveρgayuτ dvuχ- _^ or τρeχ- κρaτnοmu οτπusκu, dρichem πeρvy-οτπusκ προvοdyaτ πρi

30 300-650 ° C for 0.5-60 minutes, and the next. at a temperature of 540-560 ° C for 1-1.5 hours, depending on the brand, the size and the size of the product are increased. - -

If you are carrying out a thermal maintenance of a building, there is a support for driving in the course of

35 3-10 all temperature range -π000-П00 ° С. . .

ποлниτельнο ввοдяτ κаρбοшτ баρия или^* κаρбοнаτ κалш и иχ вοссτанοвиτели, κаρбид κальция шш κаρбид κρемния.Ци выше ο ше ше above. TEMPERATURES FOR REDUCED OPERATION ARE EXISTED IN YOURSELVES, IN FURTHER

A large volume of barbium or ^* carbide of Kalsh and their removers, carbide of calcium and carbide of large quantities are added.

И If you are interested in a temperature lower than the temperature, use any known salt

5 high and alkaline alloys or refined oil — the large baths depend on the choice of the temperature range of the heater and the process of the process The environment is maintained for a long time and the cooler is complied with

In accordance with the general laws and regulations.

Example I. *

Instrument, for example, left-handed parts from fast-moving steel with a diameter of 8 mm, it is placed in your saltwater, which has a temperature of 850 ° C and has a structure of I, including 62,

. Заτем инсτρуменτ πеρенο- сяτ в ванну, имеющую сοсτав & 2, сοдеρжаищй 9 СΙ^ + + 3% ΒаСС^ + Ъ% СаС^ и τемπеρаτуρу Ϊ305°0, κοτορая-сοοτ- веτсτвуеτ τемπеρаτуρе πлавления-исл-οльзуемοй бысτρορежу-15 + 10 s ± C, where there are

. Then the tool is transferred to a bath having the composition & 2, keep 9 СΙ ^ + + 3% CACC ^ + b% CaС ^ and the temperature is not allowed.

20 times became, and at the same time, is the upper temperature boundary of the thermocirculation. The tool implements at this temperature - within 0.5 minutes, after which it is cooled, your salt is at a temperature of 850 ° C,

25 revolutions (Ι60 ° С), and it is significant and higher than the lower –temperature of the western border of the thermocycling. Wait for the current and for the current. For 15 minutes the first ^* cycle of the tool terminates, .- '' -

The next and next steps begin ^' with the transfer of information

30 sτρumenτa from the bath having τemπeρaτuρu 850 ^ο C s. * Sοsτav} £ I in sοlyanuyu with your τemπeρaτuροy Ι305 ° C ζ *. is 2 and ends with the rest of the tool in the village. A salt bath with a temperature of-850 ° C and a component of # I. Such cycles are left 4 times. At the last fifth cycle of the

35 cycles of the tool from the bathtubs with a temperature of 850 ° C and a composition}. I will be transferred to yours, having a temperature of 170 ° C and a unit # 2, where they carry out charging. In this salt bath, the heating is achieved. - 8 - in the ice. with ποslednim nagρevοm πρi τeρmοtsiκliροva- SRI .. Τemπeρaτuρa zaκalκi.Ι270 ^ο C * πρevyshaeτ τemπeρaτuρu ποlimορφnοgο (evτeκτοidnοgο) πρevρaschendya, for κοτορaya .. dashοy sτali ρavsh 8Ι5 ° C. After cutting off at a temperature of 5 ° C, .270 ° C for 2_minutes, I had a good chance to recover from the exhaustion for 10 minutes at a temperature of 650 ° C. 3, containing 30 $ SaCΙ ₂ + 20 $ zaCΙ + 50 -CaCΙ ₂ , and then on the train before the temperature. After ordering, enter-α-start :. first οτπusκ -

South at 600 ° C for 10 minutes, the second and third at 560 ° C at 1 hour in a bath with a composition of 3.

Example 2.. . . е- ρа

ο- дοгρеτοм дο -τемπеρаτуρы Ι60 С, κοτορая сοοτвеτοτвуеτ τем- леρаτуρе начала маρτенсиτныχ-πρевρащешй и в το же вρемя являеτся нижней τемπеρаτуρнοй гρашцей τеρмοциκлиροвания.15 Νa τе

In addition, a temperature of С60 C is obtained, which, in turn, corresponds to the onset of a slow-moving and, at the same time, lower temperature.

20 The tool maintains this temperature for 5 minutes, which ends with the first cycle of the cycle. - - -

-. The last and the following cycles begin - with the transfer of the tool from the processed oil at °60 ° C to the salt bath,

25 having a temperature of-850 ° C and I and ... end with cooling of the sleep tool at a temperature of up to 60 ° C oil. With a temperature of -850 ° С, it lies below the temperature of melting- (. С305 ° С), and means below the temperature of the outside of the temperature range. What. The cycles are 5 times.

30 In the last sixth hours after the instrument is cycled. - iz lοdοgρeτοgο dό Ι60 ° C in an oil bath leρenοsyaτ- having τemπeρaτuρu Ι270 ° C and ^'L sοsτav-2 οsnοve ΒaSΙ ~ 92 ^ 4 + ^ + 4 ΒaSS ^-Sa' 2 where οsuschesτvlyayuτ nagρev ποd zaκalκu. So - in this, in your solyany your alignment is achieved

35 ice launcher. with the last heat and temperature are yours. The switch-over is 70270 ° C more than -detectable; - 9 - bumps -Ι270 ° С for 2.5 minutes letting it cool down first with an electrical discharge for Г5 minutes 5 and 560 ° С in a bath with a composition of 3, - including -30 $ + 2ϊϊ + -ϊ $ Ca Ι ^, and then on the air before the temperature of the 5th stage. After you order the product, the first one is the first one - 300 ° C for I hour in the electricity, and the second one is 560 ° C.

EXAMPLE 3 _* 10 The instrument is placed in your long one, having a tempera-

οχлавдаюτ-в сοлянοй ванне с сοсτавοм # I -дο τемπеρаτуρы

I am in the salt bath with the # I -temperature

20 800 ° С, which are located above the temperature of the beginning of a sensitive and transmissive (Ι60 ° С), and it means even higher than the lower one _. temperature territory of the country. Де Inland ^' and this temperature in 15 minutes. The first cycling of the tool ends *. Иτορο and next follower-cycle w-

25 chinayuταya e πeρenοsa insτρumenτa- of τemdeρaτuροy bath 800 ° C, and I to L sοsτavοm sοlyanuyu ^'bath τemπeρaτuροy ΙΙ00 ^ο sοsτavοm and C-D 2 and zaκanchivayuτsya οχlavdeniom shsτρu- menτa in lρezhn rd your having τemπeρaτuρu -800 ^& b and composition

6 -I. What cycles are 7-times. On the next page, 30 cycles of heat cycling from the bathtub with the temperature

-800 ° С and composition ϊ. I take a bath in _r having *. the temperature is -00 ° С and part 2, where they also carry out a quick start. .This way in this Solyany'You can achieve a shift of the boot before charging with the last heating

35 hours and thermal cycling. -Then depress the Ts00 ^ο With an increase in the temperature limit, (turn off) the turn-over, which is equal to 8Ι5 ° for this steel. After release \ ΥΟ 90 09 5 _ _

κi πρi τemπeρaτuρe zaκalκi ΙΙ00 ^ο C τecheshe 2 5 minutes the προvοdyaτ οχladtsenie with izοτeρmichesκοy vydeρzhκοy in τecheshe 10 minutes the πρi 560 ° C sοlyanοy bath having sοsτav A 3 οsnοve ΒaSΙ ₂ 30 + $ 20 + $ 50 .ZhaSΙ SaSΙ ₂ , and then 5 at the factory before the tempera- ture. After hardening, it passes through a transient-left-out transverse coil at 650 ° C. I minute,. second and third - at 560 ° С at 1 o'clock in the bath, which has the composition L 3. Example 4.-

10 I place the instrument in your saline, having a temperature of 850 ° C and having a structure of I, including 70 $ CAC ₂ + 20 $ CAC + 7 Κ ^ CC ^ + 3 ^ - CaC ^, where there is no delay. Zaτem shsτρumenτ πeρenοsyaτ your, ime- guide sοsτav A 2 sοdeρzhaschy ΒaSΙ 93 $ ₂ + 2 + ₃ ΒaS0 $ 5 $ of ± C

15 and a temperature of 70270 ° С, which lie below the melting temperature (Ι305 ° С), and is lower and lower than the temperature of the temperature range. The instrument is maintained at this temperature for 2 minutes only, after which it is supported for the first time for 5 seconds at the end

20 ρy ΙΙ00 ^ο C and zaτem πeρenοsyaτ in your sοlyanuyu having sοsτav LZ on οsnοve -ΒaSΙ 30 $ ₂ + $ 20 + $ 50 aSΙ SaSΙ τemπeρaτuρu ₂ and 650 ° C, κοτορaya lezhiτ -τemπeρaτuρy start-up maρτensiτshχ revolutions (Ι60 ° С), and it is significant and higher than the lower temperature border .thermostatic loop. Де ρ ρ ρ де де де

On 25th of this temperature, within 10 minutes the first one is started. cycling the tool. The second and subsequent cycles — begin — with the transfer of the material from the salt bath having a temperature of ^" 650 ° C, the content of 3 in the salt bath with the temperature of 270 ° C.

30 chal -accessing: a - then- -cooling the cabinet in a fresh salt bath with a temperature of 650 ° C and the composition of the L-3. These are the cycles of the third phase. In the last four years, the cycle of the instrument from yours with a temperature of 650 ° C and the composition -L 3 is transferred to yours, which has

35 at a temperature of 850 ° C and the composition of L I, where they exist. Warm up before the hassle. ”In this way, in the e-th salt bath, it is reached together with the main bath. ice ... I will order. with the last step and thermal cycling. Order 850 ° C - - increases the temperature of the patient (automatic) treatment, which is necessary for our steel: it is 8Ι5 ° С. After a temperature of 850 ° C has been reached, for 3 minutes, let the oil cool to the temperature. -After 5, order a quick release: the first shutter is 350 ° C for I hour in an electric furnace, which is 560 ° C for the first time. Example ρ -5. The instrument is placed in a salt bath having a tempera-

где .οсущесτвляюτ ποдοгρев в .τечение δ. минуτ. Заτем шсτρуменτ πеρенοсяτ в вашу, имеющую сο- сτав Л 2 ш οснοве 30 ΒаСΙ₂ + 20$ ИаСΙ + 50$ СаСΙ₂ и τемπеρаτуρу -560°С, κοτορая лежиτ выше -τемπеρаτ$ρы шчала10 degrees 800 ° С and composition L I, including 78 -Βаρϊ ₂ + 21.3 $ ΝаСΙ + 0.7 $

where .have a benefit in the course of δ. minute Then the part will be transferred to yours, which has the composition of L 2 main 30 CACC ₂ + 20 $ CACC + 50 $ CACC ₂ and a temperature of -560 ° C, which is higher than the temperature range.

15 significant rotations (Ι60 ° С), which means and is higher than the lower temperature limit of the circulation. The tool emits 10 mice at this temperature, which ends with the left cycle of the cycle .. The ring and tire are removed

20 pressure of 560 ° C with the L 2 device in your salted. with τshπe- ρaτuροy * 800 ^ο C and sοsτavοm A and I zaκanchivayuτsya οχlazhdeniem insτρumenτa in πρezhney yours imeschey τemπeρaτuρu 560 ° C and 2. A sοsτav Τaκie schκly lοvτορyayuτsya ρaza ρa 3 ^'cheτveρ- τοm tsiκle insτρumenτ of vashy with ^{τemπeρaτuροy'} 560 ° C and co

25 part of L 2 is transferred to yours, which has a part of L 3 ^" on the base of 94 $ CACC ₂ + -1 $ CACC + 5 CAC ^ and the temperature is 70270 ° C, keep below the temperature, -30 ° C, means and below the outside of the temperature boundary of the instrument. The instrument maintains and, at the same time, the temperature in the unit

30 minutes 2.5 minutes, after which it is first accessed by the train in the current. 7 seconds before tempering Ι050 ° С, -а. then it will be transferred to your salt with a temperature of 80 _G 0 ° С and the composition L-_, where it is maintained for 5 minutes. Laz _ ”'cycling, it goes with the transfer of a piece of salt bath, which has 35 temperature of 800 ° C and the composition of L I in a salted bath _: -c. it has a temperature of 1270 ° C ^' and -composition-L 3 and ends up with assistance on the air, and then the oven is washed with a fresh salt bath with a temperature of 800 ° I. - 12 -

5$ з±С -и- -τемπеρаτуρу^' Ι320°С, κοτορая- лежиτ выше τемπеρа- τуρы длавления *( Ι305°С)., а зшчиτ и выше веρχней τемπе-Such cycles are repeated 2 times. In the last sixth period after the thermocycling of the instrument from the bathtub with a temperature of 800 ° C and the system-L I is transferred to your own, which has a temperature of 3 ° C For this reason, your salvage is achieved by combining heating before ordering with the last boot and thermal cycling. Order -305 ° С and increase the temperature at the temperature (neutral), at the same time (* 8Ι5 ° С) and. together with the melting process, melting this steel. Pοsle -vydeρzhi πρi τemπeρaτuρe zaκalκi Ι305 ° C in 0.5 minutes the τechenie προvοdyaτ οχlaadenie first on vοz- duχe in τechenie 10 seκund dο τemπeρaτuρy Ι000 ^ο C and zaτem in sοlyanοy yours -imeyuschey τemπeρaτuρu 560 ° C and 2 L sοsτav. At a standstill of 560 ° C, it takes 10 minutes and supports the installation of a heating boiler at the end of the cycle. After ordering, go to the store. a new temperature of 560 ° C at 1 o'clock in the bath, which has the composition of L2. 6. Pρimeρ Insτρumenτ lοmeschayuτ in sοlyanuyu bath having τemπe- ρaτuρu 850 ° C and sοsτav A I, vκlyuchayuschy ΒaSΙ 62 $ ₂ + $ 18 + 10 -ΜaSΙ SΟ Κ ^ ^ $ 10 + CaC ^ where .οsuschesτvlyayuτ ποdοgρev in -τachenie 5 minutes Then the tool is transferred to the bath, which has a system of L 2, - containing

5 $ s ± С --- -temperature ^' Ι320 ° С, which are higher than the fusion temperature * (Ι305 ° С)., And above and above the upper temperature

^• foreign borders. -Texture .. The instrument is maintained at-this temperature, 0-, 5 minutes later. first, they are servicing on-air, for 7 seconds before the temperature switch ΙΙ-00 ^ο С, and then. It is transferred to the salt bath, which has the composition -L - 3 * on the basis of -30 ΙаСΙ ₂ + 20 $ -ΝаСΙ + 50 CaСΙ ₂ and. a temperature of 650 ° C, which lies higher than the temperature ^' -turashchala matte (ев60 ° C), which is and higher than the lower temperature of the Republic of Armenia. - The other, at this temperature, flows through the clay, the finished cycle, the first cycle of the tool cycle. Βτο- - ροi and ποsleduyuschie-tsiκly nachishshsya with πeρenοsa insτρumen- τa _* from οοlyanοy vashsh having τemπeρaτuρu 650 ° C and sοsτav

L 3 at a temperature of Ι320 ° С and with the L 2 system and ends with the help of air inlet, and the cooling of the room is at least 650 ° C. . In the last, fifth cycle, the instrument was heated from a bath with a temperature of 650 ° C and the L 3 system was transferred to a bath that had a temperature of 220 ° C and it was supplied. Τaκim οbρa- zοm in-your eτοy sοlyanοy dοsτigaeτsya ^{'sοvmeschenio} nagρeva 10 ποd zaκazhu with ποslednim nagρevοm πρi ^{τeρmοtsiκliροva'} tion. The tempering temperature of 70270 ° C increases the temperature of the terminal (neutral) rotation, which is equal to 8Ι5 ° C for this steel. -After leaving it at a temperature of 70270 ° C for * 2 minutes, it is cooler with the remainder 15 minutes apart from 650 ° C, all in addition Pοsle zaκazhi προvοdyaτ τρeχκρaτshy οτπusκ πρi ^'| 60 ° C lο I hour in your having sοsτav A 3.

Example 7.. ..

+ 5$ з±С, где οсущесτвляюτ дддοгρев в τечеше ^'3 мшуτ. Заτем инсτρуменτ деρенοсяτ в ванну, имеющую сοсτав -Л -2, - Сοдеρжащий 95^-ΒаСΙ^ + ϊ$ ΒаϋС^ + 25 4 -З± С -и τемπеρаτуρу Ι270°С, κοτορая лежиτ ниже - τемπе*- ρаτуρы πлавленш .(-Ι305°С) , • а значиτ и шже веρχнеи* τβм πеρаτуρнοй гρашцы -τеρмοциκлиροванш. Инсτρуменτ выдеρ- жшаюτ πρи эτοй τемπеρаτуρе в .τечеше 2 минуτ, ποсле чегο- сшчала οχлаждаюτ на вοздуχе в τечение 5 сеκущ дο 30 τемπеρаτуρы ΙΙ00°С₅ а заτем -в масле, имещем -τемаеρаτуρу цеχ-а, κοτορая -лежиτ ниже τемπеρаτуρы- начала маρτенсиτныχ πρевρащешй, а.значиτ и ниже шжней τемπеρаτуρшй гρаш- цы τеρмοциκлиροвашя. Ин.сτρуменτ"выдеρживаюτ-^'πρи-эτοй - τемπеρаτуρе в- τβчеше- 5 мшуτ, чем и заκанчиваеτся πеρ- 35 вый πиκл τеρмοциκлиροвания. Βτοροй и ϋοследующие циκлы начинаюτся с πеρенοса инсτρуменτа из масла _§ сοляную ван ну, имеющую τемπеρаτуρу Ι270°С и сοсτав Л 2 .и з|κанчива- еτся οχлаадением сшчала ш вοздуχе, а заτем ^'в масле дο _{τ Α} 20 The instrument is placed in your salt, having a temperature of 850 ° C and a composition of L I, including-66 ΙаСΙ ₂ - + 1 ιяаСΙ + 10 $

+ 5 $ s ± C, where there is additional heating in the course of ^' 3 months. Then the tool is transferred to a bath having the composition -L -2, -containing 95 ^ -ΒаСΙ ^ + ϊ $ ΒаϋС ^ + 25 4 -З ± С and the temperature is 70270 ° С, which is lower - it is located. -Ι305 ° С), • and, more importantly, even the upper * * ββm portable grease, the thermal cycle. Insτρumenτ vydeρ- zhshayuτ πρi eτοy τemπeρaτuρe in 2 minutes the .τecheshe, ποsle chegο- sshchala οχlazhdayuτ on vοzduχe in τechenie 5 seκusch dο 30 τemπeρaτuρy ΙΙ00 ° C ₅ -to a zaτem oil imeschem -τemaeρaτuρu tseχ-a, κοτορaya -lezhiτ below τemπeρaτuρy- the beginning of the maturing, growing, and also means lower than the largest impaired thermostats. In.sτρumenτ "vydeρzhivayuτ- ^{'πρi-eτοy} - τemπeρaτuρe into- τβcheshe- 5 mshuτ than 35 and zaκanchivaeτsya πeρ- vy πiκl τeρmοtsiκliροvaniya Βτοροy and ϋοsleduyuschie tsiκly nachinayuτsya with πeρenοsa insτρumenτa of oil well _§ sοlyanuyu van having τemπeρaτuρu Ι270 ° C. and having made L 2. and | ends with deterioration, I felt it in the air, and then ^' in oil to _{τ Α}

- 14 - process temperature. Such cycles are repeated 3 times. Ηa ποsledshm cheτveρτοm tsiκle τeρmοtsiκliροvansh insτρumenτ of oil imeyuschegο τemπeρaτuρu tseχa, πeρenοsyaτ your having -τemπeρaτuρu Ι270 ° C and sοsτav L 2 where οsuschesτvlyayuτ 5 shgρev ποd zaκalκu .. Τaκim οbρazοm in eτοy sοlyanοy your dοsτigaeτsya sοvmescheshe nagρeva ποd zaκalκu with ποslednim heating your batteries. The temperature of Ι270 ° C is higher than the temperature of the terminal (neutral), which is reduced to 8 ° C. After you

10 places. τemπeρaτuρe zaκalκi Ι270 ° C in 2 minutes the τechenie προvοdyaτ οχlaadeshe sshchala on vοzduχe in τechenie 5 seκund dο -τemπeρaτuρy ΙΙ00 ^ο C and zaτem oil dο τemπeρaτuρy tseχa. After a quick start, you get a passive. 5 ° C at 5 o'clock right now at your time with your L 3 unit, containing $ 30 Save ₂ +

15 20 yaCΙ- + 50 $ CaCΙ ₂ .

The utility of the tool, the process of the process, and the result of the process, shared the results of the test teeth. Ending with a diameter of 8 mm with a length of ΡΙ8 (Ι8 $ \ 0 и with and with an endless cutting of your steel (0.45 $ С)

20 brands 12050 (HR) with a speed of Ϊ80 зд Out of the average cost -676 κυ 4 according to normal conditions: a speed of ν _s = 33.4 m / min (1330); with a feed of £ _ζ = 0.010 mm per tooth (42 mm / min); depth of cut a * = 2 mm; width φresistance а _± . = 5 mm, and also in

25 levia,. Impressive: quicker cut ν _s = 41.6 m / min (165 -60 b / min) with a yield of £ _ζ = 0.010 mm per tooth ^' (52 mm / min), cutting depth a _ = .2 mm-width φrezoota -a = 5 mm. And then, it was your usual customary method of operating that you shared the speed.

30 of the operating methods by reducing the amount of wear on the teeth of the tooth due to the loss of contact with the teeth. Pρi -uslοvnοm (κρiτeρialnοm) value iznοsa, ρav- nοm 0 _β 35 mm προizvοdylοs sρavnenie..dliτelnοsτi .ρabοτy isπyτyvaemyχ φρez. The performance indicator is shared ...

35 averaged after a test of 3–5 hours, that is, the process is running in a single mode.

The results of the study are a matter of resilience. phrases from the fast-moving steel thermally agreed upon - 15 - πρimers πρ are given in the table.

Pρivedenshe Danshui gοvορyaτ ο τοm, chτο πρi τρaditsi- οnnοy τeρmοοbρabοτκe φρezy dliτelnοsτ its ρzbοτy-dο za- τuπlenyaya with increasing sκοροsτi ρezaniya umenshaeτsya in το vρemya κaκ πρi πρimeneshi dρedlοzheshοgο sdοsοba -τeρmο- οbρabοτκi dοκazaτeli sτοyκοsτi insτρumenτa vοzρasτayuτ.

Based on the analysis of the obtained results, it follows that the use of the proposed method of thermal processing of a reliable tool from a long-term out-of-service tool is used.

10 zvοlyaeτ πο sρavneshyu with τρaditsiοnnοy τeρmοοbρabοτκοy πο- vysiτ egο iznοsοsτοyκοsτ πρi nορmaτivnyχ uslοvshχ ρe- Zand 10-40 $, πρi sκοροsτnyχ- ρezhimaχ ρezansh w 20- $ 70 and uvelichiτ προizvοdiτelnοsτ τρuda HA $ 24 on account of the increase ποdachi to 42 mm / min up to 52 mm / min

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Intended use

The proposed method may be used on a commercially available, commercially available, commercially available and commercially available machine.

Claims

 - 16 - ΦΟΡΜШ ΟΟΟΡΕΤΕΗΡΕΤΕΗ I..Sποsοb τeρmichesκοy οbρabο-τκi bysτρορezhuschey sτa- .. Is., Vκlyuchayuschy τeρmοtsiκliροvanie πuτem mnοgοκρaτnοgο on -.- and gρeva οχlaadaniya, zaκazhu πuτem οχlazdenyaya οτ τemπeρa- 5 τuρy, πρevyshaschey .τemπeρaτuρu ποlimορφnοgο πρevρascheniya, shgρev ποd κοτορuyu sοvmeschen with .ποslednim Heated and heated and disconnected, so that they are in the temperature range at a time. I started a compact and converting South and a melting point, which is in the range of Ι60 ° C to Ι305 ° C. -2. Sποsοb.τeρmichesκοy οbρabοτκi bysτρορezhuschey sτa- whether πο d.Ι, ο τ Lich and w u and d Xia τem, chτο πρi προve- deshi-τ.eρmοtsiκlichesκοgο οχlazdeniya first sτal ποdsτu- 15 zhivayuτ dο τemπeρaτ-uρy.Ι000 ^ ΙΙ00 ^ο C . -3 ... The method is π.2, or, moreover, with the fact that servicing is carried out on the drive. 4, - Sat. πο π.Ι, ο τ L.I. Quick and easy to use products and their owners. . - 5. Sποsοb πο π.4, ο τ l-h and a Yu-u ιϊ camping -.τem, chτο in _^ κachesτve κaρbοnaτοv islοlzuyuτ κaρbοshτy baρsh and 25 κaliya .. 6. Method πο π.4, -ο τ l and. I want them to. in the quality of the consignment of the consumables using calcium and crimson bidets.