Product Description 1).Available TruPunch Machines
ModelTruPunch 1000, 2020, 3000, 5000TruMatic 3000, 6000, 7000TC
190R, 200R, 240L, 240R, 260L, 260R, 500R, 600L, 1000R, 2000R,
2020R, 3000R, 3000L, 5000R, 5000L, 6000L2).BHT Tooling
AdvantagesTaking into consideration our clients wishes, every day
we work to satisfy our clients' needs, to increase our product list
and tools quality. √ We produce our punch tooling from high
speed steel M2(SKD), D2,(SKH).working surfaces are preciously
grounded, standard will be whole body Total Hardening, the hardness
can reach HRC61-63.√ we have we have more than 17 years
experience in punch tooling manufacturing.√ Our punch tooling
factory total have 102 people, total have around 150 sets
processing machines for punch tooling.now most machines are CNC and
from China local top manufacturer, but also we have 8 sets of
processing machines from Japan and Europen, like CNC Machine
Center from MIKRON, CNC EDM from Sodick etc...√ The tolerance for
the punch is 0,+0.01mm√ Every special punch forming tooling will be
tested by our punch machines and have the test samples before
sending to our clients. 3).LIFE COUNTERMEASURE FOR TOOLINGTIN
/ TICN coating PROCESSINGNARROW PUNCHThere is a punch type such as
narrow type, open end type, super narrow type etc.which made it
difficult to break by shortening the effective punch length
and increasing the strength of the punchTHICK PLATE
PROCESSINGA tool that provide taper relief on the punch and reduce
seizure and contact with the material.OTHER LIFE
COUNTERMEASURES-.Check for misalignment of turret station and wear
of turret key etc.-.Combined use with tools for slug pulling
measures.-.Implementation of early regrinding.-. Put a small
rounding on the corner of Square / Rectangle punch.As life
countermeasures of the tool, it is recommended to select a tool
that is acceptable for the processing conditions such as the
quality and thickness of material.4). MATERIAL FOR TOOLINGSelection
of tool material (Type of material) is very important in terms of
the quality of the processed product and the tool life (processing
cost). This time, we summarized the typical material for tooling.We
use the following material for punch body.D2 (SKD) , M2 (SKH)We use
the following material for die.Improved D2 ,
M2(SKH) 5). REFERENCE APPROPRIATE CLEARANCEClearance =
material thickness x clearance
ratioMaterialClearance ratioTensile
Strength(N/mm2) Servo-Hydraulic MachineMechanical MachineMild
Steel(Cold Roll)0.2-0.250.15More than 270Mild Steel(Hot
Roll)Stainless(Hard) 0.25-0.30.2More than
520Stainless(Soft)More than 450Aluminum(Soft)0.15-0.20.1More than
95Aluminum(Hard)More than 215Copper0.2-0.250.15More than
275Brass0.2-0.30.2More than 410High Tensile SteelMore than 590-.The
shear resistance should be about 80% of the tensile strength as a
guide. -. Please multiply x 1.4 to the calculation result in
case of more than 3.2mm thickness. -. Please calculate based
on the number of shear resistance and Tensile strength for the
material which is unspecified on the left table. -. If there
is a workpiece, please actually perform punching and purchase the
appropriate clearance referring to the table below. -. The
minimum clearance is depends on machine specifications. Please also
check the machine specifications. 6). PARTS NAME OF STANDARD
TOOLINGEACH PART NAME AND FUNCTION OF TOOLTRUMPFSTYLE TOOLING1.
Alignment Rings• Precision machined and ground for accurate
tool alignment.• High impact-resistant steel to maintain superior
flatness and durability.2. Punches • high speed tool
steel for longer tool life.• 1/4º back taper and near polished
flanks to reduce friction and eliminate galling.• Minute
corner radii on punch point to reduce chipping.• Single point
turned radii at base of punch point to reduce stress.• Solid
surface contact with alignment ring for superior alignment.•
Superior tolerances and surface finishes.• 0.118 (3.00) grind life
in 0.250 (6.35) material.3. Urethane Strippers• Quiet.• Cushions
impact.• Eliminates sheet rattle.• Safe: will not shatter.•
Non-Marring even on polished aluminum.• Improved flatter sheets, no
puckering.• Positive stripping keeps sheets from moving4. Strippers
• Keyed to allow 45° angle settings.• High strength tool steel,
will not deform or break.Dies• High chrome air hardened tool
steel.• 0.059 (1.50) grind life.• Double-cut die opening to improve
die strength.• Uniform clearance radii in die corners.• Precision
slot orientation-die opening orientation and slot cut in
single operation to improve accuracy.• Improved die strength: Domed
relief in size 1 and in size 2.• Superior roundness and
flatness.5. Die Adapters• Permits Size 1 dies to be used in
machines with Size 2 die bases.• Precision machined in shock
resistant tool steel for greater accuracy, superior machine
fit, and longer life.TRUMPFSTYLE TOOLING SIZE 7).
CALCULATION FORMULAS FREQUENTLY USED IN SHEET METALTONNAGE
CALCULATIONIn the punch press machine, the allowable t
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