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Equipment for investment casting

6Б95

 

EQUIPMENT FOR PRECISION INVESTMENT CASTING

JSC "Litmash" produces sets of process equipment for the manufacture of precision casting, investment casting capacity of 100, 250, 500, 1,000 and 2,000 tons of castings per year.

You can coat the blocks in a bath of fluidized bed in the incident flow - in the elevator, or drum peskosypah. Drying ceramic molds can be air, air-ammonia or ammonium vacuum. The model structure of the ceramic can be melted to form water in the model composition, as well as pressurized steam environment. Calcination is performed in the form of the filler, with or without filler. The range of manufactured equipment for investment casting is distributed on the following areas.

2.1 PREPARATION OF THE MODEL AND MANUFACTURE OF MODELS AND MODEL LINKS

Model Name

Productivity 

pressing / h

Installed capacity,

kW

Compressed air consumption,

m3 / h

Dimensions

LxBxH, mm.

Weight, kg
61701 Machine for making model paste 0,125 - 0,25 м3 37,4 5500х4000х2800 5500
61201A Desyatipozitsionny boring machine for the production of model units in the mechanized molds 125 - 400 0,9 4100х3150х1400 4680
61101 The machine for the manufacture of a sectional model of mechanized units in the molds 63 0,2 2400х670х1970 1300
6A50
The line for the manufacture of semi-automatic models in the hand molds with selective cooling of molds
By modeling paste
0,032 м3/h
17,3 4300х3500х2300 6295
6A54 Installation for the production of models 32 ... 250 1,2 2020х2020х1595 2300
659A Shpritsmashina By 250 pressing /h, By modeling paste
0,063 м3/h
16,1 2300х1800х2300 2300
655 Pneumatic booth to debug molds 1 1200х700х1315 280
61102 Machines for the manufacture of model units model 61101 63 0,2 2 2400х670х1970 1300

 

2.1.1 Equipment for the preparation of the model structure and model-making and model units

Machine for making model paste model 61701 is designed for the preparation of model paste with a melting point not higher than 363 K (90 ° C) used for the manufacture of models serial and mass production of castings investment casting.

2.1.2 Machines for the manufacture of model units 61201A

Production model of the fusible links model compounds in serial and mass production of castings from ferrous and non-ferrous alloys by investment casting.
It is maintained as part of the automatic line feed with a centralized model paste composition.

2.1.3 Machines for the manufacture of model units 61101

Production model of the fusible links model compounds in serial and mass production of steel and nonferrous investment castings.
It works in automatic mode.
It works only with molds, main dimensions to GOST 19947, equipped with ejection mechanism of model units.

2.1.4 Semi-automatic line for the manufacture of models with selective cooling of molds Model 6A50

Automated preparation model modeling paste of low-melting materials having a melting point not higher than 353 K (80 ° C), automatic filling (s dopressovkoy) molds modeling paste and selectively controlled cooling of each mold.
It is used in small-scale production of steel and non-ferrous investment castings for the production of medium and small models of hand molds.

2.1.5 The apparatus for manufacturing model models 6A54

Production models (model units) in manual mold at small-scale and commercial production of castings investment casting.
With intermittent rotation of the carousel desyatipozitsionnoy after pressing pattern composition in the mold is carried out it is cooled, either by immersing the cam tables carousel mold cooling medium or air.
It is operated in a semi-automatic line for making the model and model-making paste 6A50 or any spraying machine configured similarly to the corresponding syringe drive line model 6A50, as well as the manual syringe.
It allows you to work in the five re-adjustable modes that provide different performance by varying the speed of rotation of the carousel.

2.1.6 Injection machine Model 659A

Preparation of a model of the finished model paste formulations and manufacturing investment patterns in the hand molds by pressing a dopressovkoy at small-scale and commercial production of accurate castings investment casting.
It can be operated independently or as part of a semi-automatic line for the manufacture of models with selective cooling molds 6A50 model.

2.1.7 Stand for debugging mold model 655

Designed for debugging and testing the molds before installing them on specialized machines that manufacture the model and model units. Stand is a means of technological equipment of departments and sections for the production of castings by investment casting.
It can be used for the manufacture of models in small-scale production, when it is connected to the unit for making the model formulation.

2.1.8 The machine for the manufacture of models Model 61102

Model and the model units of low-melting compounds in mechanized molds in serial and small-lot production of castings vyplavlya6emym model.

 

2.2. Equipment for production of refractory coatings

Model Name Productivity, m3 / hour Ships with a capacity m3 Installed capacity, kW Dimensions LxBxH, mm. Weight, kg
63431 Installation for making a refractory coating based on ethyl silicate or waterglass By ethyl silicate suspension - 0,025
As liquid glass - 0,06
3 820х1050х3300 750
662A The unit is preparing refractory coatings based on ethyl silicate 0,125 16,35 5300х4640х3355 3017
63501 Aggregate storage and transport of refractory coating 0,125 4 1600х1150х1650 915

2.2.1 Installation for making refractory coating modes. 63431

Batch preparation of suspensions used for the manufacture of ceramic molds in the small-scale and commercial production of steel and non-ferrous precision investment casting.

2.2.2 preparation unit refractory coatings based modes ethyl silicate. 662a

Continuous preparation of refractory coatings based on ethyl silicate for making molds in the lost wax casting.
It can be used in a continuous or cyclic (for the preparation of individual servings of the refractory coating) modes.
The design of the machine provides for the possibility of its use in hazardous areas not exceeding Class B-1a (classification according to the "Regulations for Electrical").

2.2.3 Storage and transport unit refractory coating modes. 63501

Designed for storage and transport of the refractory slurry used for the manufacture of ceramic molds in serial and mass production of precision steel and nonferrous investment castings.
It can be used as part of the application of refractory coating line or off-line and is a connecting link between plants preparation and application of refractory coating.
It works as part of the lines automatically, in the autonomous of operational mode.

 

2.3. Equipment for the application of refractory coatings, Fabricate the model-ceramic blocks and smelted model compounds

Model Name

Productivity,

m3 / hour

Ships with

a capacity m3

Installed

capacity, kW

Dimensions

LxBxH, mm.

Weight, kg
64501 Boilerclave 120 1,8 4 3160х3770х2470 9000
9190 Buck stirred to wash blocks 0,063 1,5 1035х950х1540 450
64531 The machine for melting pattern composition 90 110 4020х3700х2370 3150
64511 Installation for smelting model composition 300 8,8 15400х4470х1854 11700

2.3.1 Boilerclave mod. 64501

Melting and removing the model structure of the ceramic molds in the production of castings by investment casting.
Allows smelting model composition of ceramic forms of complex configuration (turbine blades, impellers, guide vanes, and others.), Is also possible to model the composition of the melting of large blocks of diameter 750 mm, length 550 mm.
It allows the smelting of various types of model mass: wax, solevoskovyh, salt.
The control system implemented in the ladder elements.
Boylerklav a vessel operating under pressure.

2.3.2 stirred tank for wash units mod. 9190

Designed for manual application of refractory coating on the model units, as well as to maintain the consistency and stability of the temperature of the refractory coating and is used in small-scale and commercial production of investment casting.

2.3.3 Machine for smelting pattern composition modes. 64531 and 64511

Removal of the model structure of the forms in mass and volume production (model 64511) and small-scale production (model 64531) castings by investment casting.
Set the pattern 64511 is a continuous apparatus (conveyer-type) and operates only in automated lines, such modes. 64001, mod. 64005 and others.
Set model 64531 is installing carousel and operates autonomously.

 

2.4. Equipment for the separation of castings from the riser and ceramics from castings

Model Name

Producti

vity,

unit / hour

Produc

tivity,

kg / h

Power

kW

Air flow,

m3 / h

Steam

consump

-tion,

kg / h

Dimensions

LxBxH,

mm.

Weight,

kg

6А92 Machine for separating ceramics 100 1,8 835х950х2500 1355
6Б95 Automatic leaching residues of ceramics 250 2,7 27 (газ) 5800х2520х2600 10550
АВА1970Л Machine for cleaning of castings from ceramic 130 4,4 250 5200х1550х1700 3300
6A93 Hydraulic press for separating castings 100 30 2060х1000х3350 5500

 

2.4.1 Machine for separating ceramics mod. 6A92

Designed for pre-cleaning method of shock vibration block castings (mainly carbon steel) of ceramics in serial and small-lot production of precision investment casting, and can also be used to separate the castings from the riser block.

2.4.2 Automatic leaching residues responsible ceramics casting model 6B95

Designed for cleaning residues from the surface of ceramic castings of complex configuration obschemashino-building and critical applications at large scale and mass production of precision steel investment casting.
It provides separation of individual batches casting melts, eliminating the need to sort the casting using a special paddle or by hand.
Leaching can be performed on the machine in two modes of rotation of the drum: - swinging about a horizontal drum axis within 5/6 turn when a predetermined amount of wobble and subsequent rotation by one turn; - Intermittent rotation of the drum: the drum is rotated one revolution and stops at a predetermined time and then again rotated by one revolution.

2.4.3 Installation for cleaning of castings from ceramic fashion. ABA 1970L

Designed for leaching in boiling alkaline solution residues from the surface of ceramic castings made by investment casting, after the separation of the ceramic form.

2.4.4 hydraulic press to separate the castings from the riser mode. 6A93

The separation of castings from the riser in the shops of investment casting in the high-volume, mass and small-lot production in the assembly of riser blocks of circular cross section.
It consists of a C-shaped welded frame on which are placed cylinders, devices for separating parts and centering unit, hydraulic and control mechanisms.

2.5. Equipment for roasting and pouring ceramic molds

Model Name

Productivity,

m3 / hour

Capacity

in m3

Installed

capacity, kW

Dimensions

LxBxH, mm.

Weight,

kg

66232 Machine for the knockout flasks 50 0,92 0,4 2200х1000х2000 1700
673 Forming Area 100 1,1 10 1075х1070х3000 700
66231 Machine for forming ceramic molds 50 1,47 14 1280х1070х3575 1250
674 Machine for the knockout flasks 100 0,6 0,35 1340х1000х1740 840

 

2.5.1 Settings for the knockout flasks model 674 and model 66232

Designed for mechanized removal of molding material from the flask in serial and small-scale production of investment casting.

2.5.2 Installations for molding ceramic forms modes. 673 and mod. 66231

Designed for molding ceramic molds in dry-filled flask at small-scale and commercial production of investment casting.

OJSC Litmash

3300 MD, Moldova, г. Tiraspol, str.. Sakriera, d. 2-B

Comercial department tel./fax: +373 (533) 9-40-97
tel./fax: +373 (533) 9-50-48