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DFM REPORT Project Name: Climate Gen 2 Part Name: Chassis Prepared by: Kui Approved by: Chau Yu Issue Date: 09 Feb., 2017 Revision: R3 www.excelmould.com

Parts and mould info. www.excelmould.com

Dimensions of geometry www.excelmould.com

SPLIT PARTING LINE Fix side Fix side Moving side Moving side www.excelmould.com

Action slider structure Fix side Action lifter (2x) Moving side www.excelmould.com

At yellow color ribs suggest at 0.25 degree draft angle. Draft Checked Radius Comment (20170208): 3D will be updated accordingly. Radius Comment (20170210): Please refer to updated 3D sent on 20170209. At yellow color ribs suggest at 0.25 degree draft angle. EM: 25/01/2017 Waiting updated the CAD file for improve ejection part issue. www.excelmould.com

And suggest add recess for gate. Dia 6 x 0.6mm Gate point suggestion Radius Comment (20170208): What’s the down side if flow front temperature more than 10 degree? Hot tip Direct gate Radius Comment (20170210): Please refer to updated 3D sent on 20170209. Excel comment – 20170209 Temperature more than 10degree different, it may have some difficult for flowing on the thin position. And suggest add recess for gate. Dia 6 x 0.6mm EM: 25/01/2017 Waiting updated the CAD file for gate recess. www.excelmould.com

Ejector mark location Ejector Dia 3.5(2x) Ejector Dia 5(11x) Ejector Sleeve O.D=4.5 I.D=2.5 (2x) Insert Radius Comment (20170208): OK. Action lifter (2x) www.excelmould.com

SURFACE/TEXTURE/FINISHING REQUIREMENTS Green color area B2 polishing Blue color area Texture YS1281-A Radius Comment (20170208): OK. Fix Half Finishing: Moving Half Finishing: Texture YS1281-A B2 www.excelmould.com

PARTS MARKING Suggest marking area >PC< Radius Comment (20170208): OK. >PC< www.excelmould.com

PRELIMINARY MOULD LAYOUT ESTIMATION Mould base size: W250(200) x L250 x H301mm 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 Two layers www.excelmould.com

MOLDFLOW ANALYZE： Material：PC Makolon 2407 www.excelmould.com

MOLDFLOW ANALYZE：Fill time Bad welding Radius Comment (20170210): OK as the weld lines are not visible and not significant to part strength. www.excelmould.com

MOLDFLOW ANALYZE：Fill time www.excelmould.com

MOLDFLOW ANALYZE：Air traps www.excelmould.com

MOLDFLOW ANALYZE：Temperature at flow front The temperature dropped rapidly Radius Comment (20170210): Let’s keep the current geometry and if short shot happened, may increase ribs wall thickness to improve the ease of flow while having slightly sink mark at non-visible area. Radius Comment (20170208): What’s the down side if flow front temperature more than 10 degree? Excel comment – 20170209 Temperature more than 10degree different, it may have some difficult for flowing on the thin position. Temperature at flow front between 279.7 to 300.5 degree, Temperature different large than 10 degree, a little bit big different. Remark：Melt temperature-300 degree. www.excelmould.com

MOLDFLOW ANALYZE：Sink marks estimate Sink marks great Radius Comment (20170210): OK, area is located at non-visible area. www.excelmould.com

MOLDFLOW ANALYZE ： Deflection all effects Radius Comment (20170210): Let’s keep current geometry and see the actual deflection after off tool. Foresee this can be improved by adding ribs (similar to opposite side while increase a little bit insertion force for PCBA. deflection great Reduced the sink mark factor(0.6%), The highest value of deflection is 1.06mm 。 www.excelmould.com