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kcomp.py
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kcomp.py
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# ----------------------------------------------------------------------------
# -- Component Constants
# -- comps library
# -- Constants about different components, materials, parts and 3D printer
# -- settings
# ----------------------------------------------------------------------------
# -- (c) Felipe Machado
# -- Area of Electronics. Rey Juan Carlos University (urjc.es)
# -- October-2016
# ----------------------------------------------------------------------------
# --- LGPL Licence
# ----------------------------------------------------------------------------
# ---------------------- Tolerance in mm
TOL = 0.4
STOL = TOL / 2.0 # smaller tolerance
# height of the layer to print. To make some supports, ie: bolt's head
LAYER3D_H = 0.3
# ---------------------- linear Bearings
# external diameter of the bearing
LMUU_D = {6: 12., 8: 15., 10: 19.0, 12: 21.0, 20: 42.0}
# Length of the bearing
LMUU_L = {6: 19., 8: 24., 10: 29.0, 12: 30.0, 20: 32.0}
# diamenter of the bearing
LMEUU_D = {8: 16., 10: 19.0, 12: 22.0, 20: 32.0}
# Length of the bearing
LMEUU_L = {8: 25., 10: 29.0, 12: 32.0, 20: 45.0}
# Large version:
LMELUU_L = {12: 57.0} # the length of the bearing
LMELUU_D = {8: 16., 10: 19.0, 12: 22.0} # diamenter of the bearing
LM6UU = {
'Di': 6, # interior diameter
'De': LMUU_D[6], # exterior diameter
'L': LMUU_L[6] # length
}
LM8UU = {
'Di': 8, # interior diameter
'De': LMUU_D[8], # exterior diameter
'L': LMUU_L[8] # length
}
LM10UU = {
'Di': 10, # interior diameter
'De': LMUU_D[10], # exterior diameter
'L': LMUU_L[10] # length
}
LM12UU = {
'Di': 12, # interior diameter
'De': LMUU_D[12], # exterior diameter
'L': LMUU_L[12] # length
}
LM20UU = {
'Di': 20, # interior diameter
'De': LMUU_D[20], # exterior diameter
'L': LMUU_L[20] # length
}
LME8UU = {
'Di': 8, # interior diameter
'De': LMEUU_D[8], # exterior diameter
'L': LMEUU_L[8] # length
}
LME10UU = {
'Di': 10, # interior diameter
'De': LMEUU_D[10], # exterior diameter
'L': LMEUU_L[10] # length
}
LME12UU = {
'Di': 12, # interior diameter
'De': LMEUU_D[12], # exterior diameter
'L': LMEUU_L[12] # length
}
LME20UU = {
'Di': 20, # interior diameter
'De': LMEUU_D[20], # exterior diameter
'L': LMEUU_L[20] # length
}
LME12LUU = {
'Di': 12, # interior diameter
'De': LMELUU_D[12], # exterior diameter
'L': LMELUU_L[12] # length
}
LMUU = {
6: LM6UU,
8: LM8UU,
10: LM10UU, # same as LMEUU
12: LM12UU,
20: LM12UU
}
LMEUU = {
8: LME8UU,
10: LME10UU,
12: LME12UU,
20: LME20UU
}
LMELUU = {
12: LME12LUU
}
# E3D V6 extrusor dimensions
"""
___________
| | outup
-----------
| |
| | in
___________
| | outbot
-----------
"""
E3DV6_IN_DIAM = 12.0
E3DV6_IN_H = 6.0
E3DV6_OUT_DIAM = 16.0
E3DV6_OUTUP_H = 3.7
E3DV6_OUTBOT_H = 3.0
# separation of the extruders.
# with the fan, the extruder are about 30mm wide. So 15mm from the center.
# giving 10mm separation, results in 40mm separation
# and total length of 70mm
extrud_sep = 40.0
# DIN-912 bolt dimensions
# head: the index is the M, i.e: M3, M4, ..., the value is the diameter of the head of the bolt
D912_HEAD_D = {2: 3.8, 2.5: 4.5,
3: 5.5, 4: 7.0, 5: 8.5,
6: 10.0, 8: 13.0, 10: 18.0}
# length: the index is the M, i.e: M3, M4, ..., the value is the length of the head of the bolt
# well, it is the same as the M, never mind...
D912_HEAD_L = {2: 2.0, 2.5: 2.5,
3: 3.0, 4: 4.0, 5: 5.0,
6: 6.0, 8: 8.0, 10: 10.0}
# 2 x apotheme of the hex socket
D912_2AP = {2: 1.5, 2.5: 2.,
3: 2.5, 4: 3.0, 5: 4.0,
6: 5.0, 8: 6.0, 10: 8.0}
# max threaded part of the shank, if shank length is smaller, it will be
# all threated
D912_THREAD = {2: 16., 2.5: 17.,
3: 18., 4: 20., 5: 22.,
6: 24., 8: 28., 10: 32.}
M3_HEAD_R = D912_HEAD_D[3] / 2.0
M3_HEAD_L = D912_HEAD_L[3]
M3_HEAD_L_TOL = D912_HEAD_L[3] + TOL
M3_HEAD_R_TOL = M3_HEAD_R + TOL/2.0 # smaller TOL, because it's small
M3_SHANK_R_TOL = 3 / 2.0 + TOL/2.0
M3_2AP = D912_2AP[3] # 2xapotheme of the hex socket
# typical length of DIN912 bolts
D912_M2_5_L = [6, 8, 10, 12, 14, 16, 20]
D912_M3_L = [6, 8, 10, 12, 14, 16, 20,
25, 30, 35, 40]
D912_M4_L = [6, 8, 10, 12, 14, 16, 20,
25, 30, 35, 40, 45, 50, 55,
60, 65, 70, 100]
D912_M5_L = [6, 8, 10, 12, 14, 16, 18, 20, 22,
25, 30, 35, 40, 45, 50, 55,
60, 65, 70, 80, 90,
100, 110, 120, 130]
D912_M6_L = [6, 8, 10, 12, 14, 16, 20, 22,
25, 30, 35, 40, 45, 50, 55,
60, 65, 70, 80, 90,
100, 110, 120, 150]
D912_M8_L = [12, 14, 16, 20, 22,
25, 30, 35, 40, 45, 50, 55,
60, 65, 70, 75, 80, 90,
100, 110, 120, 130, 140, 150, 160, 170, 200]
D912_L = {2.5: D912_M2_5_L,
3: D912_M3_L,
4: D912_M4_L,
5: D912_M5_L,
6: D912_M6_L,
8: D912_M8_L
}
M4_HEAD_R = D912_HEAD_D[4] / 2.0
M4_HEAD_L = D912_HEAD_L[4]
M4_HEAD_L_TOL = D912_HEAD_L[4] + TOL
M4_HEAD_R_TOL = M4_HEAD_R + TOL/2.0 # smaller TOL, because it's small
M4_SHANK_R_TOL = 4 / 2.0 + TOL/2.0
M4_2AP = D912_2AP[4] # 2xapotheme of the hex socket
M6_HEAD_R = D912_HEAD_D[6] / 2.0
M6_HEAD_L = D912_HEAD_L[6]
M6_HEAD_L_TOL = D912_HEAD_L[6] + TOL
M6_HEAD_R_TOL = M6_HEAD_R + TOL/2.0 # smaller TOL, because it's small
M6_SHANK_R_TOL = 6 / 2.0 + TOL/2.0
M6_2AP = D912_2AP[6] # 2 x apotheme of the hex socket
D912_M2_5 = {
'd': 2.5, # diameter of the shank
'shank_r_tol': 2.5 / 2. + TOL/2.,
'head_r': D912_HEAD_D[2.5]/2.,
'head_r_tol': D912_HEAD_D[2.5]/2. + TOL/2.,
'head_l': D912_HEAD_L[2.5],
'head_l_tol': D912_HEAD_L[2.5]+TOL,
'thread': D912_THREAD[2.5],
'shank_l_list': D912_L[2.5], # list of possible shank lengths
'ap2': D912_2AP[2.5], # s: 2 x apotheme of the socket
}
D912_M3 = {
'd': 3., # diameter of the shank
'shank_r_tol': 3 / 2. + TOL/2.,
'head_r': M3_HEAD_R,
'head_r_tol': M3_HEAD_R_TOL,
'head_l': M3_HEAD_L,
'head_l_tol': M3_HEAD_L_TOL,
'thread': D912_THREAD[3],
'shank_l_list': D912_L[3], # list of possible shank lengths
'ap2': M3_2AP, # s: 2 x apotheme of the socket
}
D912_M4 = {
'd': 4., # diameter of the shank
'shank_r_tol': 4 / 2. + TOL/2.,
'head_r': M4_HEAD_R,
'head_r_tol': M4_HEAD_R_TOL,
'head_l': M4_HEAD_L,
'head_l_tol': M4_HEAD_L_TOL,
'thread': D912_THREAD[4],
'shank_l_list': D912_L[4], # list of possible shank lengths
'ap2': M4_2AP, # s: 2 x apotheme of the socket
}
D912_M5 = {
'd': 5., # diameter of the shank
'shank_r_tol': 5 / 2. + TOL/2.,
'head_r': D912_HEAD_D[5]/2.,
'head_r_tol': D912_HEAD_D[5]/2. + TOL/2.,
'head_l': D912_HEAD_L[5],
'head_l_tol': D912_HEAD_L[5] + TOL,
'thread': D912_THREAD[5],
'shank_l_list': D912_L[5], # list of possible shank lengths
'ap2': D912_2AP[5], # s: 2 x apotheme of the socket
}
D912_M6 = {
'd': 6., # diameter of the shank
'shank_r_tol': 6 / 2. + 1.5*TOL/2., # mult 1.5 to have more tol
'head_r': M6_HEAD_R,
'head_r_tol': M6_HEAD_R_TOL,
'head_l': M6_HEAD_L,
'head_l_tol': M6_HEAD_L_TOL,
'thread': D912_THREAD[6],
'shank_l_list': D912_L[6], # list of possible shank lengths
'ap2': M6_2AP, # s: 2 x apotheme of the socket
}
D912 = {2.5: D912_M2_5,
3: D912_M3,
4: D912_M4,
5: D912_M5,
6: D912_M6}
# Nut DIN934 dimensions
"""
___ _
/ \ | s_max: double the apothem
\___/ |_
r is the circumradius, usually called e_min
"""
# the circumdiameter, min value
NUT_D934_D = {
1.6: 3.41,
2: 4.32,
2.5: 5.45,
3: 6.01,
4: 7.66,
5: 8.79,
6: 11.05}
# double the apotheme, max value
NUT_D934_2A = {
1.6: 3.2,
2: 4.,
2.5: 5.,
3: 5.5,
4: 7.0,
5: 8.0,
6: 10.0}
# the height, max value
NUT_D934_L = {
1.6: 1.3,
2: 1.6,
2.5: 2.,
3: 2.4,
4: 3.2,
5: 4.0,
6: 5.0}
M3_NUT_R = NUT_D934_D[3] / 2.0
M3_NUT_L = NUT_D934_L[3] + TOL
# 1.5 TOL because diameter values are minimum, so they may be larger
M3_NUT_R_TOL = M3_NUT_R + 1.5*TOL
# constant related to inserted nuts. For example, to make a leadscrew
# The nut height multiplier to have enough space to introduce it
NUT_HOLE_MULT_H = 1.8
M3NUT_HOLE_H = NUT_HOLE_MULT_H * M3_NUT_L
# M3_2APOT_TOL = NUT_D934_2A[3] + TOL
# Apotheme is: R * cos(30) = 0.866
APOT_R = 0.866
M3_2APOT_TOL = 2 * M3_NUT_R_TOL * APOT_R
M4_NUT_R = NUT_D934_D[4] / 2.0
M4_NUT_L = NUT_D934_L[4] + TOL
# 1.5 TOL because diameter values are minimum, so they may be larger
M4_NUT_R_TOL = M4_NUT_R + 1.5*TOL
D934_M2 = {
'in_d': 2., # inner diameter of the shank
'circ_d': NUT_D934_D[2], # circumdiameter, min value
'circ_r': NUT_D934_D[2]/2., # circumradius, min value
'circ_r_tol': NUT_D934_D[2]/2. + 1.5*TOL, # circumradius + tol
'a2': NUT_D934_2A[2], # double of apotheme, max value
'l': NUT_D934_L[2], # height, max value
'l_tol': NUT_D934_L[2] + TOL # height with tolerance
}
D934_M2_5 = {
'in_d': 2.5, # inner diameter of the shank
'circ_d': NUT_D934_D[2.5], # circumdiameter, min value
'circ_r': NUT_D934_D[2.5]/2., # circumradius, min value
'circ_r_tol': NUT_D934_D[2.5]/2. + 1.5*TOL, # circumradius + tol
'a2': NUT_D934_2A[2.5], # double of apotheme, max value
'l': NUT_D934_L[2.5], # height, max value
'l_tol': NUT_D934_L[2.5] + TOL # height with tolerance
}
D934_M3 = {
'in_d': 3., # inner diameter of the shank
'circ_d': NUT_D934_D[3], # circumdiameter, min value
'circ_r': NUT_D934_D[3]/2, # circumradius, min value
'circ_r_tol': NUT_D934_D[3]/2 + 1.5*TOL, # circumradius + tol
'a2': NUT_D934_2A[3], # double of apotheme, max value
'l': NUT_D934_L[3], # height, max value
'l_tol': NUT_D934_L[3] + TOL # height with tolerance
}
D934_M4 = {
'in_d': 4., # inner diameter of the shank
'circ_d': NUT_D934_D[4], # circumdiameter, min value
'circ_r': NUT_D934_D[4]/2, # circumradius, min value
'circ_r_tol': NUT_D934_D[4]/2 + 1.5*TOL, # circumradius + tol
'a2': NUT_D934_2A[4], # double of apotheme, max value
'l': NUT_D934_L[4], # height, max value
'l_tol': NUT_D934_L[4] + TOL # height with tolerance
}
D934_M5 = {
'in_d': 5., # inner diameter of the shank
'circ_d': NUT_D934_D[5], # circumdiameter, min value
'circ_r': NUT_D934_D[5]/2, # circumradius, min value
'circ_r_tol': NUT_D934_D[5]/2 + 1.5*TOL, # circumradius + tol
'a2': NUT_D934_2A[5], # double of apotheme, max value
'l': NUT_D934_L[5], # height, max value
'l_tol': NUT_D934_L[5] + TOL # height with tolerance
}
D934_M6 = {
'in_d': 6., # inner diameter of the shank
'circ_d': NUT_D934_D[6], # circumdiameter, min value
'circ_r': NUT_D934_D[6]/2, # circumradius, min value
'circ_r_tol': NUT_D934_D[6]/2 + 1.5*TOL, # circumradius + tol
'a2': NUT_D934_2A[6], # double of apotheme, max value
'l': NUT_D934_L[6], # height, max value
'l_tol': NUT_D934_L[6] + TOL # height with tolerance
}
D934 = {
2.5: D934_M2_5,
3: D934_M3,
4: D934_M4,
5: D934_M5,
6: D934_M6}
# tightening bolt with added tolerances:
# Bolt's head radius
# tbolt_head_r = (tol * d912_head_d[sk_12['tbolt']])/2
# Bolt's head length
# tbolt_head_l = tol * d912_head_l[sk_12['tbolt']]
# Mounting bolt radius with added tolerance
# mbolt_r = tol * sk_12['mbolt']/2
# ------------- DIN 125 Washers (small) -----------------------
# The Index refers to the Metric (M3,...
# Inner Diameter (of the hole). Minimum diameter.
WASH_D125_DI = {
2: 2.2,
2.5: 2.7,
3: 3.2,
4: 4.3,
5: 5.3,
6: 6.4,
7: 7.4,
8: 8.4,
10: 10.5}
# Outer diameter (maximum size)
WASH_D125_DO = {
2: 5.0,
2.5: 6.0,
3: 7.0,
4: 9.0,
5: 10.0,
6: 12.0,
7: 14.0,
8: 16.0,
10: 20.0}
# Thickness (Height) of the washer. there is tolerance
WASH_D125_T = {
2: 0.3, # 0.25 to 0.35
2.5: 0.5, # 0.45 to 0.55
3: 0.5, # 0.45 to 0.55
4: 0.8, # 0.7 to 0.8
5: 1.0,
6: 1.6,
7: 1.6,
8: 1.6,
10: 2.0}
D125 = {} # empty dictionary
for (k_di, di), (k_do, do), (k_t, t) in zip(WASH_D125_DI.items(),
WASH_D125_DO.items(),
WASH_D125_T.items()):
# creation of a 2 dimension dictionary
# for example:
# D125[4]['do']
# will give the outer diameter of the M4 DIN125 washer
# k_di, k_do, k_t should have the same value in each iteration
# these 2 sentences are equivalent
# D125[k_di] = dict([('di',di),('do',do), ('t',t)])
D125[k_di] = dict(di=di, do=do, t=t)
if not ((k_di == k_do) and (k_di == k_t)):
logger.error('Keys are not ordered')
# ------------- DIN 9021 Washers (wide) -----------------------
# The Index refers to the Metric (M3,...
# Inner Diameter of the hole. Minimum diameter.
WASH_D9021_DI = {
3: 3.2,
4: 4.3,
5: 5.3,
6: 6.4,
7: 7.4,
8: 8.4,
10: 10.5}
# Outer diameter (maximum size)
WASH_D9021_DO = {
3: 9.0,
4: 12.0,
5: 15.0,
6: 18.0,
7: 22.0,
8: 24.0,
10: 30.0}
# Height of the washer (thickness)
WASH_D9021_T = {
3: 0.8,
4: 1.0,
5: 1.2,
6: 1.6,
7: 2.0,
8: 2.0,
10: 2.5}
D9021 = {} # empty dictionary
for (k_di, di), (k_do, do), (k_t, t) in zip(WASH_D9021_DI.items(),
WASH_D9021_DO.items(),
WASH_D9021_T.items()):
# creation of a 2 dimension dictionary
# for example:
# D9021[4]['do']
# will give the outer diameter of the M4 DIN9021 washer
# k_di, k_do, k_t should have the same value in each iteration
# these 2 sentences are equivalent
# D9021[k_di] = dict([('di',di),('do',do), ('t',t)])
D9021[k_di] = dict(di=di, do=do, t=t)
if not ((k_di == k_do) and (k_di == k_t)):
logger.error('Keys are not ordered')
# ------------- UNC Unified Coarse Thread
# USA and Canada Standard Threads from Unified Thread Standard UTS
# starts on #0 to #12 and then 1/4, 5/16, ... to 7/8, 1
# First number is related to the diameter, the other to the pitch
# for exampple #4-40 is 2.8448mm major diam. 40 tpi pitch
# https://en.wikipedia.org/wiki/Unified_Thread_Standard
# Major diameter in mm of a UNC thread
UNC_D = {
'0': 1.5240, # #0
'1': 1.8542, # #1
'2': 2.1844,
'3': 2.5146,
'4': 2.8448,
'5': 3.1750,
'6': 3.5052,
'8': 4.1656
} # it continues to #12 and then 1/4, ...
# ------------- Ball Bearings -----------------------
# Inner diameter
BEAR_DI = {
603: 3.0,
673: 3.0,
624: 4.0,
608: 8.0
}
# Outer diameter
BEAR_DO = {
603: 9.0,
673: 6.0,
624: 13.0,
608: 22.0
}
# Thickness (Height)
BEAR_T = {
603: 5.0,
673: 2.5,
624: 5.0,
608: 7.0
}
BEARING = {} # empty dictionary
for (k_ndi, di), (k_ndo, do), (k_nt, t) in zip(BEAR_DI.items(),
BEAR_DO.items(),
BEAR_T.items()):
# creation of a 2 dimension dictionary
# for example:
# BEARING[603]['do']
# will give the outer diameter of the 603 bearing
# the keys: k_ndi, k_ndo, k_nt should have the same value in each iteration
# these 2 sentences are equivalent
# BEARING[k_ndi] = dict([('di',di),('do',do), ('t',t)])
BEARING[k_ndi] = dict(di=di, do=do, t=t)
if not ((k_ndi == k_ndo) and (k_ndi == k_nt)):
logger.error('Keys are not ordered')
# to access more easily to the dimensions of objects that are just
# a hollow cylinder, such as washers and bearings
# Arguments:
# part: 'bearing' or 'washer'
# size: metric size for the washers, and model (608, 624) for bearings
# kind: 'regular' or 'large' for washers
class HollowCyl(object):
def __init__(self, part, size, kind='regular'):
self.part = part
self.size = size
self.kind = kind
if part == 'washer':
if kind == 'large': # DIN 9021
self.model = 'DIN9021'
self.d_in = WASH_D9021_DI[size] # inner diameter
self.d_out = WASH_D9021_DO[size] # outer diameter
self.thick = WASH_D9021_T[size] # thickness
elif kind == 'regular': # DIN 125
self.model = 'DIN125'
self.d_in = WASH_D125_DI[size]
self.d_out = WASH_D125_DO[size]
self.thick = WASH_D125_T[size]
else:
logger.error('Unkowon kind: HollowCyl')
elif part == 'bearing':
self.model = size
self.d_in = BEAR_DI[size]
self.d_out = BEAR_DO[size]
self.thick = BEAR_T[size]
self.r_in = self.d_in/2. # inner radius
self.r_out = self.d_out/2. # outer radius
# ----------------------------- Idler pulley components --------
# this may be an error, it is not a name list, is a objects list
# this is a name list from bottom to top that shows the component
# order to make an idler pulley out of washers and bearings
"""
idler pulley with the one for the bolt
with dots goes the bolt head, not in the group
.....
_:_____:_ bolt head
___|_________|___ regular washer
|_________________| large washer
|_________| regular washer
| | bearing
|_________|
___|_________|___ regular washer
|_________________| large washer
"""
# idlepull_name_list = [
idpull4_nlist = [
HollowCyl(part='washer', size=6, kind='large'), # bottom
HollowCyl(part='washer', size=4, kind='regular'),
HollowCyl(part='bearing', size=624), # 624ZZ
HollowCyl(part='washer', size=4, kind='regular'),
HollowCyl(part='washer', size=6, kind='large'),
HollowCyl(part='washer', size=4, kind='large') # top for the bolt
]
idpull3_nlist = [
HollowCyl(part='washer', size=4, kind='large'),
HollowCyl(part='washer', size=3, kind='regular'),
HollowCyl(part='bearing', size=603), # 603ZZ
HollowCyl(part='washer', size=3, kind='regular'),
HollowCyl(part='washer', size=4, kind='large'),
HollowCyl(part='washer', size=3, kind='large') # top for the bolt
]
# idler pulley list will be different depending on the size of the bolt that
# holds them
idpull_dict = {3: idpull3_nlist, 4: idpull4_nlist}
"""
idler pulley without the washer for the bolt because it is between a holder,
The holder is in dots, not in the group
.......
..........:.....:........ bolt head
: Holder for the pulley group
....._________________...:
|_________________| large washer
|_________| regular washer
| | bearing
|_________|
___|_________|___ regular washer
....|_________________|.. large washer
:
.........................: Holder for the pulley group
:.....: nut
:.: bolt shank
So it is symmetrical from bottom to top
"""
idpull4min_list = [
HollowCyl(part='washer', size=6, kind='large'), # bottom
HollowCyl(part='washer', size=4, kind='regular'),
HollowCyl(part='bearing', size=624), # 624ZZ
HollowCyl(part='washer', size=4, kind='regular'),
HollowCyl(part='washer', size=6, kind='large'),
HollowCyl(part='washer', size=4, kind='large') # top for the bolt
]
idpull3min_list = [
HollowCyl(part='washer', size=4, kind='large'), # bottom
HollowCyl(part='washer', size=3, kind='regular'),
HollowCyl(part='bearing', size=603), # 603ZZ
HollowCyl(part='washer', size=3, kind='regular'),
HollowCyl(part='washer', size=4, kind='large') # top
]
idpullmin_dict = {3: idpull3min_list, 4: idpull4min_list}
# from an idlepull_name_list, returns the maximum diameter of its bearings
# check that it is the same as getmaxbeardiam in partgroup.py
def get_idlepull_maxbear_d(idlepull_list):
d_maxbear = 0
for ind, elem in enumerate(idlepull_list):
if elem.part == 'bearing':
if d_maxbear < elem.d_out:
d_maxbear = elem.d_out
return d_maxbear
# ------------------------- Linear bearing housing
# Similar to SC10UU, but without many the details, just the main dimensions
#
# bolt_d
# : :
# _______________ ..... ________________
# |: : ___ : :| : |.:.:........:.:.|
# |: : / \ : :| H + | : : : : |
# |----|-----|----|---- : | : : : : |
# |: : \___/ : :| + axis_h : |.:.:........:.:.|
# |:_:_________:_:|...: :....|_:_:________:_:_|
# : : : : : : : :
# : :...........: : : :..........: :
# : bolt_sep_w : : bolt_sep_l :
# :...... W ......: :......L.........:
#
#
# _____________
# | 0 : : 0 |
# | : : |
# | : : |
# | : : |
# | : : |
# |_0_:_____:_0_|
#
SC8UU = {
'L': 30.,
'W': 34.,
'H': 22.,
'axis_h': 11.,
'bolt_sep_l': 18.,
'bolt_sep_w': 24.,
'bolt_d': 4., # M4
'lbear': LM8UU # dictionary with linear bearging dim.
}
SC10UU = {
'L': 35.,
'W': 40.,
'H': 26.,
'axis_h': 13.,
'bolt_sep_l': 21.,
'bolt_sep_w': 28.,
'bolt_d': 5., # M5
'lbear': LM10UU # dictionary with linear bearging dim.
}
SC12UU = {
'L': 40., # they say 36, but it is too small
'W': 42.,
'H': 28.,
'axis_h': 15.,
'bolt_sep_l': 26.,
'bolt_sep_w': 30.5,
'bolt_d': 5., # M5
'lbear': LM12UU # dictionary with linear bearging dim.
}
SCE20UU = {
'L': 53.,
'W': 54.,
'H': 41.,
'axis_h': 21.,
'bolt_sep_l': 40.,
'bolt_sep_w': 40.,
'bolt_d': 6., # M6
'lbear': LME20UU # dictionary with linear bearging dim.
}
# modified version to print
SC8UU_Pr = {
'L': 30.,
'W': 34.,
'H': 22.,
'axis_h': 11.,
'bolt_sep_l': 18.,
'bolt_sep_w': 24.,
'bolt_d': 3., # M3: changed from M4 to M3
'lbear': LME8UU # dictionary with linear bearging dim.
}
SC10UU_Pr = {
'L': 35.,
'W': 40.,
'H': 26.,
'axis_h': 13.,
'bolt_sep_l': 21.,
'bolt_sep_w': 28.,
'bolt_d': 3., # M3: changed from M5 to M3
'lbear': LME10UU # dictionary with linear bearging dim.
}
SC12UU_Pr = {
'L': 36.,
'W': 42.,
'H': 28.,
'axis_h': 15.,
'bolt_sep_l': 26.,
'bolt_sep_w': 30.5,
'bolt_d': 3., # M3: changed from M5 to M3
'lbear': LME12UU # dictionary with linear bearging dim.
}
SCE20UU_Pr30 = { # to print with 30x30 profiles sep_l = 60
'L': 74.,
'W': 54.,
'H': 41.,
'axis_h': 21.,
'bolt_sep_l': 60.,
'bolt_sep_w': 40.,
'bolt_d': 6., # M6
'lbear': LME20UU # dictionary with linear bearging dim.
}
SCE20UU_Pr30b = { # to print with 30x30 profiles sep_l = 30
'L': 58., # changed from 53 to 58, bearing limit was too thin
'W': 54.,
'H': 41.,
'axis_h': 21.,
'bolt_sep_l': 30.,
'bolt_sep_w': 40.,
'bolt_d': 6., # M6
'lbear': LME20UU # dictionary with linear bearging dim.
}
SCUU = {
8: SC8UU,
10: SC10UU,
12: SC12UU
}
SCUU_Pr = {
8: SC8UU_Pr,
10: SC10UU_Pr,
12: SC12UU_Pr
}
SCEUU_Pr = {
20: SCE20UU_Pr30
}
# ----------------------------- NEMA motor dimensions --------
# width of the motor (both dimensions: it is a square) in mm
NEMA_W = {
8: 20.2,
11: 28.2,
14: 35.2,
17: 42.3,
23: 56.4,
34: 86.0,
42: 110.0}
# Separation of the holes for the bolts
NEMA_BOLT_SEP = {
8: 16.0,
11: 23.0,
14: 26.0,
17: 31.0,
23: 47.1,
34: 69.6,
42: 89.0}
# Diameter of the shaft
NEMA_SHAFT_D = {
8: 4.0,
11: 5.0,
14: 5.0,
17: 5.0,
23: 6.35,
34: 14.0,
42: 19.0}
# Bolt diameter
NEMA_BOLT_D = {
8: 2.0, # M2
11: 2.5, # M2.5
14: 3.0, # M3
17: 3.0, # M3
23: 5.5,
34: 5.5,
42: 8.5}
# _______ .....................................
# | ___ | :
# | / d.\.|................. :
# | \___/ | __ : + H
# __| |__ /| ... + h :
# |_____________|/ ...+L......:....................:
# : :
# :......W......:
#
# ....I....
# :_______: _______________________________
# | ___ | :
# | / \ | __________ :
# | \___/ | : + H
# ___| |___ ...... + h :
# |_:___________:_|.....+g ____:____________________:
# : :
# :......B....: S: diameter of the 2 thruholes
# ----------------------------- shaft holder SK dimensions --------
# there are different brands, and are not all the same,
# Also valid for dold SH
# A is not necessary, it is just the half of W
# b is not necessary, it is just (W-B)/2
# mbolt: is the metric of the mounting bolt
# tbolt: is the metric of the tightening bolt
SK6 = {'d': 6.0,
'H': 32.8,
'W': 42.0,
'L': 14.0,
'B': 32.0,
'S': 5.5,
'h': 20.0,
# 'A':21.0,
# 'b': 5.0,
'g': 6.0,
'I': 18.0,
'mbolt': 5,
'tbolt': 4}
SK8 = {'d': 8.0,
'H': 32.8,
'W': 42.0,
'L': 14.0,
'B': 32.0,
'S': 5.5,
'h': 20.0,
# 'A':21.0,
# 'b': 5.0,
'g': 6.0,
'I': 18.0,
'mbolt': 5,
'tbolt': 4}
# to make with the same height of a pillow block
# H: just 6.8 less
PILLOW_SK8 = {'d': 8.0,
'H': 26.,
'W': 42.0,
'L': 14.0,
'B': 32.0,
'S': 5.5,
'h': 15.0,
# 'A':21.0,
# 'b': 5.0,
'g': 6.0,
'I': 18.0,
'mbolt': 5,
'tbolt': 4}
SK10 = {'d': 10.0,
'H': 32.8,
'W': 42.0,
'L': 14.0,
'B': 32.0,
'S': 5.5,
'h': 20.0,
# 'A':21.0,
# 'b': 5.0,
'g': 6.0,
'I': 18.0,
'mbolt': 5,
'tbolt': 4}