Class: JennCad::Extras::Din933

Inherits:
Hardware
  • Object
show all
Defined in:
lib/jenncad/extras/din933.rb

Instance Attribute Summary collapse

Attributes inherited from Hardware

#z_fight

Instance Method Summary collapse

Methods inherited from Hardware

#option_string

Constructor Details

#initialize(size, length, args = {}) ⇒ Din933

Returns a new instance of Din933.



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# File 'lib/jenncad/extras/din933.rb', line 5

def initialize(size,length,args={})
  super(args)
  @args = args
  # options for output only:
  @args[:additional_length] ||= 0
  @args[:additional_diameter] ||= 0.3
  @args[:head_margin] ||= 0.0

  #if @args[:washer] == true
#   @washer = Washer.new(size,{:material => @args[:material], :surface => @args[:surface]})
  #end

  @size = size
  @length = length
  @transformations ||= []
end

Instance Attribute Details

#height ⇒ Object

Returns the value of attribute height.



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# File 'lib/jenncad/extras/din933.rb', line 3

def height
  @height
end

Instance Method Details

#bolt_933(additional_length = 0, addtional_diameter = 0, head_margin = 0) ⇒ Object 



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# File 'lib/jenncad/extras/din933.rb', line 37

def bolt_933(additional_length=0, addtional_diameter=0, head_margin=0)

  chart        = {2 => {head_side_to_side:4,head_length:1.4},
                  2.5=> {head_side_to_side:5,head_length:1.7},
                  3 => {head_side_to_side:5.5,head_length:2},
                  4 => {head_side_to_side:7,head_length:2.8},
                  5 => {head_side_to_side:8,head_length:3.5},
                  6 => {head_side_to_side:10,head_length:4},
                  8 => {head_side_to_side:13,head_length:5.5},
                  10=> {head_side_to_side:17,head_length:7},
                  12=> {head_side_to_side:19,head_length:8},
                  14=> {head_side_to_side:22,head_length:9},
                  16=> {head_side_to_side:24,head_length:10},
                 }
  head_dia = chart[@size][:head_side_to_side].to_d + head_margin.to_d
  res = cylinder(d:(head_dia/Math.sqrt(3))*2,fn:6,h:chart[@size][:head_length]).move(z:-chart[@size][:head_length])
  total_length = @length + additional_length
  res+= cylinder(d:@size+addtional_diameter, h:total_length)
end

#cut ⇒ Object 



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# File 'lib/jenncad/extras/din933.rb', line 22

def cut
  res = bolt_933(@args[:additional_length], @args[:additional_diameter], @args[:head_margin])
  Aggregation.new("din933c#{@size}#{option_string}", res)
end

#show ⇒ Object 



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# File 'lib/jenncad/extras/din933.rb', line 27

def show
  res = bolt_933(0,0)
  #if @washer
  # res += @washer.show
  # res = res.move(z:-@washer.height)
  #end
  res.color("DarkGray")
  Aggregation.new("din933s#{@size}#{option_string}", res)
end