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DFM REPORT Project Name: Climate Gen 2 Part Name: IR_Window Prepared by: Kui Approved by: Chau Yu Issue Date: 25 Feb., 2017 Revision: R3 www.excelmould.com

Parts and mould info. www.excelmould.com

Dimensions of geometry www.excelmould.com

SPLIT PARTING LINE EM: 25/01/2017 Fix side EM: 25/01/2017 We need invest gate if sink marks will occur around the tower areas Let see mold flow result. Moving side Fix side Radius Comment (20170208): OK. Moving sie www.excelmould.com

Dimensions of geometry Radius Comment (20170210): Please refer to updated 3D sent on 20170209. Radius Comment (20170208): OK, please provide the recommended geometry and 3D can be updated accordingly. If not reduce the rib, the weld line get at visible surface. See page 14 to 18. EM: 25/01/2017 Suggest cut some plastic avoid weld line at visible surfaces. And it is better for weld line issue. The mold flow details showing at page 20 to 24. www.excelmould.com

Draft Checked Ok www.excelmould.com

Gate point suggestion Side gate www.excelmould.com

Ejector mark location Ejector Dia 1.5 x 6( 3x) Ejector Dia 1.5(2x) Radius Comment (20170210): Please refer to updated 3D sent on 20170209. Ejector Dia 1.5 x 6( 3x) Ejector Dia 1.5(2x) Ejector Sleeve O.D=3.8 I.D=2.5 (2x) Insert pin Radius Comment (20170210): OK. Radius Comment (20170208): This pin and ribs will not be made at first. Will decide to make it or not after review off tool parts. (corresponding to steel safe feature in Housing.) Excel comment – 20170209 Because both side already have two ejector pins, so we suggest keep the ejector on middle Radius Comment (20170208): Consider the strength of part, suggest to change the middle ejector to 2 ejectors aside (in purple). Agree? Excel comment – 20170209 Ok, we will not make this pin and rib first www.excelmould.com

SURFACE/TEXTURE/FINISHING REQUIREMENTS Green color area B2 polishing Radius Comment (20170208): OK. A2 Fix Half Finishing: Moving Half Finishing: A2 www.excelmould.com

We could add Resin name, If in need PARTS MARKING Suggest marking area >PC< We could add Resin name, If in need Radius Comment (20170208): Change the material identification code to here due to re-arrangement of ejectors. Radius Comment (20170210): OK. Excel comment – 20170209 Ok, we will make the material identification on middle ejector. www.excelmould.com

PRELIMINARY MOULD LAYOUT ESTIMATION Mould base size: W280(230) x L250 x H271mm Mold TOP Radius Comment (20170208): Please show also the cooling system arrangement. Excel comment – 20170209 Please see next page www.excelmould.com

PRELIMINARY COOLING LAYOUT Move side Fix side www.excelmould.com

MOLDFLOW ANALYZE： Material：PC Makolon 2805 Radius Comment (20170208): This part require IR transparent. Please use Bayer Makrolon 2805; color #: 45-601, Black Please refer to information attached. Material：PC Makolon 2805 www.excelmould.com

MOLDFLOW ANALYZE：Fill time Radius Comment (20170210): OK. This area is hard to be visible. Suggest to adjust molding parameters to optimize the quality. www.excelmould.com Weld line at visible surface

MOLDFLOW ANALYZE：Temperature at flow front Radius Comment (20170210): OK. Let’s keep current geometry and see the actual off tool parts. May require adjusting molding parameters to optimize the quality. Temperature at flow front between 281.9 to 301.8 degree, Temperature different large than 10 degree, a little bit big different. Remark：Melt temperature-300 degree. www.excelmould.com

MOLDFLOW ANALYZE：Air traps www.excelmould.com

MOLDFLOW ANALYZE：Sink marks estimate Smaller sink area 0.06mm Radius Comment (20170210): Will the sink mark be visible? Can it be eliminated by adjustment molding parameter or any other suggestion? www.excelmould.com

MOLDFLOW ANALYZE ： Deflection all effects Radius Comment (20170210): OK. Let’s review the actual off tool parts. May not be significant from device perspective as IR Window is always lower than Housing. Some deflect Reduced the sink mark factor(0.6%), The highest value of deflection is 0.28mm 。 www.excelmould.com