hier das Minimalbsp. dazu:
\documentclass{article} \usepackage[utf8]{inputenc} \usepackage{pgfplots} \usepackage{tikz} \pgfplotsset{compat=newest} \usepgfplotslibrary{units} \begin{document} \begin{figure}\centering \begin{tikzpicture} \pgfplotsset{ legend cell align = left, legend pos = north east, symbolic x coords={14,18,21,25}, xtick=data, } \begin{axis}[ ymajorgrids, no markers, enlargelimits=false, axis on top, ybar=4pt, width=\linewidth, height=9.5cm, axis lines*=left, xlabel={Stickout~\lbrack mm\rbrack}, ylabel=$U \lbrack \mathrm{V} \rbrack$, axis y discontinuity=crunch, %xtick={14,18,21,25}, ytickmin=30, ytickmax=38, ymin=28, ymax=38, bar width=18pt, enlarge x limits=0.2, nodes near coords, every node near coord/.append style= { font=\normalsize, fill=white, anchor=south }, legend pos = north west ] \begin{scope} % Hilfslinie \draw[thick,dashed,black] ({rel axis cs:1,0}|-{axis cs:14,29}) -- ({rel axis cs:0,0}|-{axis cs:25,29}) node[anchor=east,left] at (axis cs:14,29) {$U_{\mathrm{SOLL}}$}; \end{scope} %\node[anchor=east] at (axis cs:14,29) {$U_{\mathrm{SOLL}}$}; \addplot[style={fill=blue!50!cyan},error bars/.cd, y dir=both, y explicit] coordinates { (14,32.3) += (0,1.1) -= (0,1.1) (18,33.4) += (0,1.1) -= (0,1.1) (21,34.3) += (0,1.1) -= (0,1.1) (25,35.0) += (0,1.1) -= (0,1.1)};\addlegendentry{Smart Connector} \addplot[style={fill=red!85!magenta},error bars/.cd, y dir=both, y explicit] coordinates { (14,34.7) += (0,0.7) -= (0,0.7) (18,35.7) += (0,0.6) -= (0,0.6) (21,36.7) += (0,0.6) -= (0,0.6) (25,37.4) += (0,0.6) -= (0,0.6)};\addlegendentry{HKS-WeldAnalyst} \addplot[style={fill=green!50!olive},error bars/.cd, y dir=both, y explicit] coordinates { (14,30.8) += (0,0.7) -= (0,0.7) (18,32.1) += (0,1.5) -= (0,1.5) (21,33.2) += (0,2.4) -= (0,2.4) (25,34.1) += (0,2.4) -= (0,2.4)};\addlegendentry{Fronius TPS 5000} \end{axis} \end{tikzpicture} \end{figure} \end{document}