This document provides a design for manufacturing (DFM) report for an injection molding tool to produce 8-cavity impeller parts. It includes details on the part, mold layout, gate locations, cooling channels, draft analysis, product engraving specifications, and signatures from both the customer and moldmaker to confirm agreement on the tool design.

1. B S H H O M E A P P L I A N C E S G R O U P
DFM – formular for inquiry and order phases
CHJ1900803 V01
March 9th, 2019
Zengwenjian

2. BSH data
End Customer BSH Mould BSH Serial No. -
Project Name Impeller Machine (T & brand) 100T
Part Name Impeller _9 blades Cavities
Drawing No. Rev.-Status (Index)
Material of part: PP+30GF （GB366WG_Borealis） Review By
Contact:
Mould maker data
Customer (if not BSH) DFM Report
responsible
ZWJ
Mould Maker 博成 Mould constructer BSH
Injection system Pin point gate Core, cavity material: Cavity w360 core 1.2344
Tool Dimensions (BHT): 350X400X436 Mould material: A&BP20其它S50C
Contact: sheji@hjmjcz.com
File Revision (3D) File Revision (2D) Date Received DFM Revision Submission Date
60100004492632-A5-Q
Impeller_20190125.JT
60100004492632_dr01-
A5-Q
Impeller_20190125
20190304 V01 2019.3.8
H DFM Report

3. H DFM Report
File Revision (3D) File Revision (2D) Date Received DFM Revision Submission Date
Review finished and
confirmed for toolmaker:
Name: …………………….
Datum:……………………
Signature:………………..
Review finished and
confirmed for customer:
Name: …………………….
Datum:……………………
Signature:………………..

4. H DFM Report
Chapter Topic
Requested
For RFQ
Requested
For Tool Order
Suplier
finished
Customer
Confirmed
1 Project Project & DFM Information √ √
2.1
Product Info
Part Information √ √
2.2 Mould Layout √ √
2.3 Gate Location √ √
3.1
Parting Line
Cavity & Core Part Line √ √
3.2 Cavity & Core Sub Insert Location Proposal √ √
3.3 Slider Location & Parting line Proposal
3.4 Lifter Location & Parting line Proposal -
3.5 Ejector pin Location Proposal √ √
3.6 Venting of critical areas -
4 Draft Draft Analysis √
5 Cooling Cooling Channel Proposal - COOLING OF CAVITY INSERTS AND CRITICAL
AREAS
√
6.1
Product
Improvement
Undercut Improvement Proposal -
6.2 Mould Improvement Proposal -
Cavity & Core Draft Angle Improvement Proposal -
6.3
Slider & Lifter Draft Angle Improvement Proposal -
6.4
7.1
2D drawing
Analysis
Control Dimension Analysis -
Tolerance Analysis -
7.2
7.3 Surface Finish Analysis √
8
Product
Engrave
Cavity No. typ, size and Location √
Adjustable Date sign typ, size and Location -
Adjustable model version sign typ, size and Location -

5. H DFM Report
9.1
Mold flow
analysis
Fill Time,,,,, -
9.2 Injection Pressure -
9.3 Weld Line -
9.4 Air Traps -
9.5 Sink Mark -
9.6 Warp -
9.7 Cool See
*CRITERIA
:
*CRITERIA:
if without cooling process part warps more than are allowable tolerances on drawing then COOL-analysis HAS TO BE
PERFORMED

6. 2.1 PART INFORMATION
H DFM Report
Type of Mold. 2plate Cavity Steel W360
Type of Gate
Pin point gate
Core Steel 1.2344
No. of Cavity 8 Slider Steel -
No. of Injection Points 8 Lifter Steel -
Estimate Part Weight (g) 8*5g Resin (Color) Grey
Estimate Runner Weight
(g)
N/A Coating of cores
and cavities
N/A
Machine Tonnage (ton) 100T Mold Shrinkage 1.003
• Part view1 • Part view2
R&D
Decision/Comments
OK / NOK
Name,
dd.mm.yy
For typ of mould use
descriptions From spec. Sheet
DIN ISO 16916 :2005-09 point
4.1
Square mould assembly
Round mould assembly
Standard mould
Split mould
Stripper plate mould
Three-plate mould
Stack mould
Hot-runner mould

7. H DFM Report
2.2 MOULD CAVITY LAYOUT
R&D
Decision/Comments
OK / NOK
Name,
dd.mm.yy
Confirmation:
Tool can be used on 1st page planned moulding maschine
TOP
400
300
350
436
博成：定模顶出距离10mm，
动模顶出距离15mm

8. Pin point gate
H DFM Report
2.3 GATE LOCATION and Type PROPOSAL
R&D
Decision/Comments
OK / NOK
Name,
dd.mm.yy博成：8点针点进胶，选用直径
20的热嘴，定模加顶针顶出。热
流道选用为海美克。
博成：因热流道进胶口为Φ1.0，
是否可以适当增大偷料口，加大
到Φ1.5左右。

9. H DFM Report
3.1 Cavity & Core Partition Line
R&D
Decision/Comments
OK / NOK
Name,
dd.mm.yy
Describe and show:
- MAIN PARTITION LINES;
Cavity
Core

10. H DFM Report
3.2 Cavity & Core Sub Insert Location Proposal
R&D
Decision/Comments
OK / NOK
Name,
dd.mm.yy
Describe and show:
- MAIN PARTITION LINES;
博成：中间pin针材料我司建SKH51，
硬度较高
Cavity
每个筋位边缘排
布Φ1.0排气镶针
Core

11. H DFM Report
3.5 Ejector pin Location Proposal
Describe and show:
- Show position and marks of ejectors and
protection of ejectors under side cores;
If ejectors are below side cores they must be mechanical protected and
this principle must be shown here.
R&D
Decision/Comments
OK / NOK
Name,
dd.mm.yy
Cavity side Core side
定模圆顶针：Ф4.0
动模圆顶针：Ф6.0

12. H DFM Report Show influence of drafting angles on:
- PRESCRIBED MATERIAL,
- VISIBLE SURFACES,
- SURFACE STRUCTURE
and give potential recommendations
for modification of drafting angles on
part.
4.0 Draft analysis
R&D
Decision/Comments
OK / NOK
Name,
dd.mm.yy
博成：此面没有拔模，建议增加1°拔模斜度

13. H DFM Report
5.0 Cooling Channel Proposal
R&D
Decision/Comments
OK / NOK
Name,
dd.mm.yy
Show implementation of:
-COOLING,
- CAVITY INSERTS (injection side &
ejection side),
- CRITICAL AREAS,
- COOLING OF HOT-RUNNER SYSTEM,
- TOOL
OUT
IN
OUT
IN
动，定模每个镶件上走一组环型水路，冷却效果较好

14. H DFM Report
6.0 Product Improvement Proposals
R&D
Decision/Comments
OK / NOK
Name,
dd.mm.yy
Describe and show proposals:
6.1 Undercut Improvement Proposal
6.2 Mould Improvement Proposal
6.3 Cavity & Core Draft Angle Improvement Proposal
6.4 Slider & Lifter Draft Angle Improvement Proposal
博成：动模侧圆弧是否可以向内做小单边0.3
博成：是否参考前次产品，
此处增加0.3R角？

15. H DFM Report
7.3 Surface Finish Analysis
R&D
Decision/Comments
OK / NOK
Name,
dd.mm.yy博成：9X1.5的筋位尺寸，贵司3D数据加了
拔模斜度，现最小尺寸为1.37，已超出公差，
其他尺寸都可满足要求
Mao:添加筋位尺寸公差是否可调整
为-0.2

16. H DFM Report
8.0 Product Engrave
R&D
Decision/Comments
OK / NOK
Name,
dd.mm.yy
Check 2D drawing demands:
8.1 CAVITY NO. TYP, SIZE AND LOCATION
8.2 ADJUSTABLE DATE SIGN TYP, SIZE AND LOCATION
8.3 ADJUSTABLE MODEL VERSION SIGN TYP, SIZE AND
LOCATION
依参考样品增加Ф5一个年章，一
个月章，凹入产品表面0.1
增加刻字，字高2.0，凸出0.1
博成：刻字#1-X，X代表模穴号：1-8
是否还要和上次产品一样刻BC?

17. H DFM Report
10 END PAGE
customer
OK / NOK
Name,
dd.mm.yy
confirmation:
10 BOTH PARTIES MUST SIGN THIS
DOCUMENT
Confirmation that all points in DFM analyse are checked and
confirmed from Customer and Mouldmaker
Mould maker
OK / NOK
Name,
dd.mm.yy