Design of backdoor

AIM:

To design the back door outer panel, inner panel and the necessary reinforcements by the styling surface. And also create an assembly of back door inner panel, outer panel, latch, and the hinge reinforcements.

OBJECTIVE:

• To create a back door inner panel using the given outer panel and mater section.
• Also create a hemming section for the outer and inner panel.
• The inner panel should incorporate hinge, latch and striker reinforcements.
• Also create an assembly for the outer panel, inner panel, hinge, latch and striker attachments.

PROCEDURE:

• First we have split the styling surface of the given inner panel into half surface.

• Next offset the surface for 25 mm for the given master section.

• Then offset the outer curve of the panel for 20 mm inwards.

• Then trim sheet for offseted outer curve.

• Next the offset surface and trimed sheet should joined through curves option.

• Now emboss the inner section of panel for 15mm.

• Apply the edge blend and face blend for the base sheet of master section.

• After the embosement then create the reinforments for the inner panel and trim it using trim sheet option.

• For the latch and striker attachment, we can extract face option for the given stiker and use emboss option for the latch and striker.

• Then add reinforcement for the hinge attachment for extracted face for the given hinge assembly.

• And add face and edge blend for the attachment features.

• Next add the attachment holes for the hinge assembly, latch and striker.

• Follow the same procedure for other reinforcements, such as gas stay reinforcements, and wiper reinforcements

• • If it pops some error, delete the excess edges and extend the sheet for 50 mm and trim the sheet.

  

• sew it, thciken for 0.75 mm.

• Follow the same procedure, for the upper outer pannel and lower outer pannel.

• Outer panel doesn't contains any emboses and reinforcements.
• For hemming section, first split the face for halves and offset the outer panel for 2.45 mm.

• The outer curve should be offseted in 0 mm.

• And use law extension for the same face for 5 mm.

• Trim the body for offseted extension and offseted outer panel.

• Then use face blend for three faces of outer panel, outer law extension and trimmed body.

• Also create the rear relief section curve and trim it using trim sheet.

• After completing the hemming section, mirror feature option to next halve and sew it, thciken for 0.75 mm.

• Follow the same procedure for lower outer pannel also.

• Next we get into assembly section of the inner panel, outer panel, hinge part, latch and striker attachment reinforcements.

• Tragectory of the back door design and dotted lines refers flow of door opening and closing over the attachements.

CONCLUSION:

The following images are the designed assebly of the complete back door or bonet of a car.

3D view

Front view

Top view

Side view