Guide housing -PU, Drawings

Contents

1. Introduction

2. Process Section

2.1. Analysis of initial data for TP development

2.2. Define the type and form of production organization

2.3. Machining Part Design

2.4. Procurement selection and feasibility study

2.5. Selecting Typical PI and Typical Surface Treatments

2.6. Selection of process bases

2.8. Determination of mechanical machining allowances by calculation-analytical method

2.7 Determination of tolerances by table method

2.8 Calculation of cutting modes

2.8.1 Calculation of the modes of cutting by an analytical method on processing of a surface of Ø35H

2.8.2 Calculation of cutting modes by table method

2.9 Definition of time standards

3. Selection of process equipment and equipment

4. Design Section

4.1. Description of selected fixture structure for operation No.

4.2. Design of accessory for operation No.

4.3. Cutting Tool Calculation

4.3.1. Construction Description

4.3.2. Selecting Geometric Parameters

4.3.3 Selection and calculation of structural elements

4.4.2 Complete design calculation of PSI (D) parameters with design of sketches and layout of tolerance fields

4.4.1 Selection of limit deviations and limit dimensions of the part

4.4.2 Selection of limit deviations of instrumentation

4.4.3 Constructing the Layout of Tolerance Fields

4.4.4 Calculation of actuating dimensions of the instrumentation tool

5 Experimental and practical section

5.1 Development of part processing control program on the machine with PCI

5.2 Design of route processing technology with selection of cutting and auxiliary tools

5.3 Development of operating technology with calculation of cutting modes and trajectory of cutting tools movement

5.4 Compilation of calculation and adjustment map of multipurpose vertical milling and drilling machine 6P13RF

5.5 Development of the control program

6 Manufacturing Structure Design

6.1 Characteristics of the production structure that is being designed

6.2 Program, required number and level of equipment and workstations loading

6.3 Selection of type and main parameters of production building, transportation and storage system, tool supply system

7. Occupational safety, environmental and emergency safety

7.1 Analysis of production conditions

7.2 Creating safe, harmless working conditions

7.3 Special calculation

8 Organizational and Economic Section

8.1 Selection and justification of design solutions

8.2 Calculation of calculation for production of part "Guide housing"

8.2.1 Direct costs of part production "Guide housing"

8.2.2 Total manufacturing costs of "Guide housing" part

8.2.3 Determination of unit cost structure

8.2.4. Analysis of cost of products and development of measures to reduce cost of part "Guide housing"

8.3 Calculation of economic efficiency indicators from implementation of cost reduction measures

8.4 Technical and economic indicators of the project

9. Literature

1. Introduction

This course work is devoted to the development of the manufacturing process of the part "Guide housing" and the design of technological equipment.

The purpose of the course work is to gain practical skills in solving problems arising in connection with the development of technological processes for the manufacture of parts and the design of technological equipment.

In the course of the work, the following tasks are solved: development of the manufacturing process of the part "Guide Housing," which includes selection of the method of obtaining the workpiece, selection of equipment and tools for each TC operation, calculation of elements of cutting modes, cutting forces, allowances and time standards; Design a machine tool for some operation.

The RPZ describes the procedure and all stages of the development of the TP for the manufacture of the product "Guide Housing."

Manufacturing process of "Guide housing" part

Operation 005 Vertical Milling.

Rough and finish milling of base plane B, having withstood dimension 14,

Centering, drilling and deploying 4 otv. Ø8.5H9.

Installation base - unprocessed plane opposite to the treated plane.

Guide base - plane perpendicular to plane B;

Datum - 3 plane perpendicular to plane B;

Operation 010 Vertical Milling.

Rough and finishing milling of the plane D, having withstood dimensions 87,

Rough and finishing milling of plane B1, having withstood dimensions 12,

process 2 otv. M107H,

Installation base - processed plane B,

Guide and reference base - 2 otv. Ø8.5H9.

Operation 015 Multipurpose.

Rough and finishing milling of plane B, having withstood dimensions 102 by size 100 ,

Boring of Ø32, boring of Ø35H7 to Ø34.8H9, having sustained size 17.5, to chisel a flute of Ø35.6x3, having sustained size 15, to process 8 otv. M67H to turn preparation on 180 °, boring of Ø35H7 to Ø34.8H9, having sustained size 17.5, to chisel a flute of Ø35.6x3, having sustained size 15, to process 8 otv. M67H,

Installation base - processed plane B,

Guide and reference base - 2 otv. Ø8.5H9.

Operation 020 Milling Bore.

The bore is thin 2 otv. Otv. Ø35H7,

Finishing of two slots, withstanding dimensions 45,

Basing diagram - (refer to ops. 010)

2.3. Machining Part Design

Knowing the type of production, the material of the part and its configuration, it is possible to use the method of casting into sandy-clay molds using metal models with machine molding to obtain a blank, ensuring achievement of 9 accuracy class in accordance with GOST 2684585.

The most effective method of producing a cast iron blank is casting. The casting configuration is simple and allows easy removal of its model from the mold. With the help of rods, in order to increase the KIM, you can get preliminary hints for the holes ø35N7 and the internal cavity of the housing .

In general, procurement is technological.

The analysis of the processability of the housing design makes it possible to draw the following conclusions:

- the design is highly rigid and allows for high cutting modes and wide use of cutter sets;

- flaps located on both sides of the part can be successfully used as technological bases for almost the entire processing of the part;

guide body design provides free access of cutting and measuring tools to processing surfaces.

All machined surfaces and holes are either parallel or at right angles to each other;

Most surfaces and holes can be machined with a standard tool.

In general, the structure of the guide body is technological.

2.5. Selecting Typical PI and Typical Surface Treatments

Since the Guide Case part belongs to the class of body parts, the typical process consists of the following steps:

- treatment of a sizeable plane serving as a final technological base;

- milling of two knuckles on this plane;

- roughing and finishing of significant planes by milling;

- rough and finishing grouting (drilling, sanding) of the main holes of the body part;

- drilling, thread cutting, countersinking, deployment of small holes from different sides of the workpiece.

Based on the requirements for the quality (accuracy and roughness) of the machined surfaces and the typical technological process specified in the drawing, we select typical schemes for their processing:

Plane B - rough and finish milling;

Boss ends - rough and finishing milling;

Ø35H7 - coarse, finished and thin dilution;

2 otv. M107H and 16 otv. M67H - centering, drilling, a rezbonarezaniye;

2 otv. Ø8.5H9 - centering, drilling and deployment.

2.6. Selection of process bases.

When selecting technological bases, we will be guided by two main principles: combination (unity) and constancy of bases.

Operation 005 Vertical Milling.

Rough and finish milling of base plane B, having withstood dimension 14,

Centering, drilling and deploying 4 otv. Ø8.5H9.

The installation base is a raw plane opposite to mine.

Guide base - plane perpendicular to plane B;

Datum - 3 plane perpendicular to plane B;

Operation 010 Vertical Milling.

Rough and finishing milling of the plane D, having withstood dimensions 87,

Rough and finishing milling of plane B1, having withstood dimensions 12,

process 2 otv. M107H,

Installation base - processed plane B,

Guide and reference base - 2 otv. Ø8.5H9.

Operation 015 Multipurpose.

Rough and finishing milling of plane B, having withstood dimensions 102 by size 100 ,

Boring of Ø32, boring of Ø35H7 to Ø34.8H9, having sustained size 17.5, to chisel a flute of Ø35.6x3, having sustained size 15, to process 8 otv. M67H to turn preparation on 180 °, boring of Ø35H7 to Ø34.8H9, having sustained size 17.5, to chisel a flute of Ø35.6x3, having sustained size 15, to process 8 otv. M67H,

Installation base - processed plane B,

Guide and reference base - 2 otv. Ø8.5H9.

Operation 020 Boring.

The bore is thin 2 otv. Otv. Ø35H7,

Finishing of two slots, withstanding dimensions 45,

Basing diagram - (refer to ops. 010)