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acrylic_cutter

one_flute_spiral_bits_A
one_flute_spiral_cutter_AA
one_flute_spiral_tools_AAA

Advertising_CNC_tools

GA-V_sharp_tools
GB-flat_botton_engraving_bits
GC-tapered_ball_nose_bits
GD-Single_flute_straight_bits
GE-Two_flute_straight_bits
GF-Radius_engraving_Bits
GG-Half_straight_bits
GH(AAA)-one_flute_spiral_tool_AAA
GH-One_flute_spiral_endmill
GI-Acrylic_cutter_tool
GJ-two_flute_spiral_bits
GK-Three_flute_spiral_bits
GL-One_flute_straight_cutter
GM-Two_flute_straight_cutter
GN-Two_flute_straight_tools
GO-Ball_nose_bit
GP-Ball_Nose_straight_Bits
GQ-Down_Cutter
GR-Two_spiral_down_bits
GS-Up_down_two_spiral_bits
GT-Up_down_one_spiral_bits
GU-Two_straight_flat_botton_engraving_bits
GV-3D_Vsharp_bits
GW-Cleaning_bits
GX-Tip_engraving_bits
GY-Radius_engraving_tools
GZ-non_standard
GZ2-Opening_knife
GZ3-Lace_knife
GZ4-Clear_arc_knife
GZ16_Taper_End_Mill
GZ6_Rough_Milling_Cutter
GZ5- Tapered_Ball_End_Mill_With_Coating
GZ1- Mini_Cutter_End_Mills

Bead_bits_and_barrel_bits

Bead_bits
Stupa_Bits
Barrel_bits
Gourd_bits
Bead_bits_Spare_parts
clearing_bit_with_drill_bit
Stupa_Tool
Solid_blade_beads
No_drill_beads_knife
Eagle_hook_lock
Abacus_beads_knife
Buddhism_knife
Septum_knife

LCD_lens_bits

JA-One_flute_cutter
JB-Two_flute_straight_endmill
JC-Two_flute_spiral_cutter
JD-One Sprial Strainght Cutter
JE-Two_flute_edges_cutter

PCB_drill_bits

XA-Drill_bits
XB-PCB_cutting_tools
XC-Angle Milling Cutters
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XE-Gong_bits

Metal_cutting_tools

MA-Two_flute_endmill
MB-four_flute_endmill
MC-Two_flute_ball_nose_endmill
MD-Ball_nose_Cutter
ME-Solid_carbide_endmill
MF-Ball_nose_endmill
MG-Single_flute_engraving_cutter
MH-Three_face_engraving_bits
MI-Drill_Bits

Aluminum_tools

LA-Aluminum_cutter
LB-Aluminum_engraving_tools
LC-One_flute_aluminum_bits
LE- two_flute_cutter
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您的位置:Guangzhou JeeFoo Tools Co.,Ltd >> 技术文章

机加工对刀具要求:不仅要提高寿命还要尽量减少切削污染

发布时间:2013-08-08

  各种机电产品的过早失效破坏中约有70%是由磨损和腐蚀造成的,而这两种失效方式都与材料的表面状态(物理、化学和应力状态等)密切相关。因此,提高这类材料使用性能的关键是提高其表面性能。 

  随着科技的发展,对材料的表面性能的要求越来越高。 近几十年来各种气相沉积技术的兴起,使表面工程技术的研究和应用都取得了突飞猛进的发展。这些技术不但实现了机械性能的要求,如耐磨、减摩和抗蚀,而且在 电磁、光学、光电子学、热学、超导和生物学等与表层有关的功能材料领域大显身手。表面工程学不仅使低廉的金属材料在性能与效益方面发挥出更大的优势,而且 已成为研制各种新型镀层和薄膜材料的重要手段,具有巨大的应用潜力。 

  随着机械加工工业水平的提高,对刀具提出了新的要求。除了提高使用寿命外还要求减少切削时的污染,尽可能使用干切削。在不能完全取消切削液的时候,尽量做到其中只含防锈剂而无有机物,这样可以使循环回收的成本大为降低。 

  切削刀具的多样性和使用时的工作状态特点决定了选择刀具镀层的不同。车削和钻孔不同,铣刀又应考虑其断续冲击的特点。早期发展的涂层以耐磨为主要着眼点,以提高硬度为主要指标。以氮化钛为代表的此类涂层具有较高的摩擦系数(0.4~0.6),加工时与工件之间不断摩擦将产生大量热能。为避免刀具过热发生变形 影响加工精度和延长其使用寿命,通常使用切削液。 

  要解决减少或免除切削液带来的问题,刀具镀层不仅应使刀具具有长寿命,且应有自润滑的功能。类金刚石涂层(DLC)的出现在对某些材料 (Al、Ti及其复合材料)的机械加工方面显示出优势,但经过多年的研究表明类金刚石涂层的内应力高、热稳定性差和与黑色金属间的触媒效应使SP3结构向 SP2转变等三种缺点,决定了它目前只能应用于加工有色金属,因而限制了它在机加工方面的进一步应用。但是近年来的研究表明,以SP2结构为主的类金刚石涂层(也称为类石墨涂层)硬度也可达到20~40GPa,却不存在与黑色金属起触媒效应的问题,其摩擦系数很低又有很好的抗湿性,切削时可以用冷却剂也可 用于干切削,其寿命比非镀层刀有成倍的提高,加工钢铁材料不存在问题,因而引起了涂层公司、刀具厂家极大的兴趣。假以时日,这种新型的类金刚石涂层会在切削领域得到广泛的应用。 



Plotter_blade_and_holder

RO-Roland_blade
RO(A)-Roland_blade(A)
MI-Mimaki_blade_and_holder
MI(A)- Mimaki_blade_A
PC-Pcut_blade_and_holder
PC(A)-Pcut_blade_A
GT15-15U_Grapthec_blade_and_holder
GT15(A)-15U_Grapthec_blade_A
GT09-09U_Grapthec_blade_and_holder
GT09(A)-09U_pthec_blade_A
SG-Summa_blade_and_holder
SG(A)-Summa_blade_A
BR-Big_roland_blade_and_holder
LO-Ioline_blade_and_holde
RH-Speical_Roland_blade
CB- CraftRobo_blade
MU-Mutoh_blade
Anna_Blade_Cutting
GCC-Holder
PE- pen

Marble_Tools

Stone_PCD
Stone_knife2
Stone_knife1

Diamond_tools

DA-Diamond-engraving_bits
DB-Diamond_Radius_engraving_bits
DC-3D_engraving_bits
DD- Four_edges_engraving_bits
DE-Bas_relief_engraving_bits
DF-Marble_cutting_bits
DG-3D_Granite_bits
DH-PCD_bits
DI-diamond_bits
DJ-diamond_engraving_bits
DK-Granite_engraving_bits
DL-Cutting_tools
DM-Marble_bits
DN-PCD_ball_nose_bits
DO-Diamond_cutter
DP-pcd_wood
DQ-pcd_Acrylic

Wood_bits

WA-TCT_straight_bits
WB-Straight_bits
WD-wood_Round
pcd_wood2
Woodworking_Tool_Box
wood2_bits

Woodworking standard knife gong

A-Straight drilling cutting tools
B-Trimming knives with bearing
C-Without bearing for guiding trimming knives
D-Straight drill form class
E-Knife round bottom line
F-Convex half circular knife
G-Arch arc knife types
H-Classical linear decorative knives
I-Beaded Curve Knife
J-Crown curve decoration knives
K-Architectural decorative knives streamlined
L-Rail line/line Knife
M-Combination of high handrail Knife Bottle
N-Polymorphic classical Knife
O-Knife nail-like model lines
P-T-tenon Knife
Q-T-tenon cutter combination of class
R-Door Knife
T-Solid Carbide cutting knives
U-Other series
Saw

ER_Collect_nuts

clamp
nut
starepart
carbide

grinder

JF20A
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